115699825 has 12 divisors (see below), whose sum is σ = 145490688. Its totient is φ = 91254800.

The previous prime is 115699819. The next prime is 115699889. The reversal of 115699825 is 528996511.

It is not a de Polignac number, because 115699825 - 2⁷ = 115699697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30817 + ... + 34366.

It is an arithmetic number, because the mean of its divisors is an integer number (12124224).

Almost surely, 2^115699825 is an apocalyptic number.

It is an amenable number.

115699825 is a deficient number, since it is larger than the sum of its proper divisors (29790863).

115699825 is an equidigital number, since it uses as much as digits as its factorization.

115699825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65264 (or 65259 counting only the distinct ones).

The product of its digits is 194400, while the sum is 46.

The square root of 115699825 is about 10756.3853129199. The cubic root of 115699825 is about 487.2788565250.

The spelling of 115699825 in words is "one hundred fifteen million, six hundred ninety-nine thousand, eight hundred twenty-five".