115498899 has 16 divisors (see below), whose sum is σ = 173174400. Its totient is φ = 76070088.

The previous prime is 115498883. The next prime is 115498913. The reversal of 115498899 is 998894511.

115498899 is a `hidden beast` number, since 1 + 1 + 549 + 8 + 8 + 99 = 666.

It is not a de Polignac number, because 115498899 - 2⁴ = 115498883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115498829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23529 + ... + 28010.

It is an arithmetic number, because the mean of its divisors is an integer number (10823400).

Almost surely, 2^115498899 is an apocalyptic number.

115498899 is a deficient number, since it is larger than the sum of its proper divisors (57675501).

115498899 is an equidigital number, since it uses as much as digits as its factorization.

115498899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51631 (or 51625 counting only the distinct ones).

The product of its digits is 933120, while the sum is 54.

The square root of 115498899 is about 10747.0414068245. The cubic root of 115498899 is about 486.9966212326.

The spelling of 115498899 in words is "one hundred fifteen million, four hundred ninety-eight thousand, eight hundred ninety-nine".