115455515 has 32 divisors (see below), whose sum is σ = 168652800. Its totient is φ = 75701472.

The previous prime is 115455497. The next prime is 115455523. The reversal of 115455515 is 515554511.

It is not a de Polignac number, because 115455515 - 2²⁴ = 98678299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37982 + ... + 40908.

It is an arithmetic number, because the mean of its divisors is an integer number (5270400).

Almost surely, 2^115455515 is an apocalyptic number.

115455515 is a deficient number, since it is larger than the sum of its proper divisors (53197285).

115455515 is an equidigital number, since it uses as much as digits as its factorization.

115455515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976 (or 2962 counting only the distinct ones).

The product of its digits is 12500, while the sum is 32.

The square root of 115455515 is about 10745.0228012787. The cubic root of 115455515 is about 486.9356379461.

The spelling of 115455515 in words is "one hundred fifteen million, four hundred fifty-five thousand, five hundred fifteen".