5005000000001

5005000000001 is a natural number. In decimal notation it is written as 5,005,000,000,001, placing it in the range of about five trillion.

It is an odd integer ending in 1 and therefore not divisible by 2 or 5. The sum of its digits is 11, so it is not divisible by 3 or 9. It is congruent to 1 modulo 4. There is no widely noted mathematical identity or constant associated specifically with this value.

In numerical contexts, 5,005,000,000,001 is sometimes used as an example value for testing big-integer arithmetic, formatting routines, or input handling due to its size and its decimal grouping pattern. It does not correspond to a commonly cited special constant, and its prime factorization is not a widely discussed feature in standard references.

See also:

- Natural number

- Large-number arithmetic

- Decimal notation

- Big integer (computing)