115111825 has 12 divisors (see below), whose sum is σ = 143277660. Its totient is φ = 91741760.

The previous prime is 115111807. The next prime is 115111859. The reversal of 115111825 is 528111511.

It can be written as a sum of positive squares in 6 ways, for example, as 57093136 + 58018689 = 7556^2 + 7617^2 .

It is not a de Polignac number, because 115111825 - 2²⁵ = 81557393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 115111825.

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, 1834 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (11939805).

Almost surely, 2^115111825 is an apocalyptic number.

It is an amenable number.

115111825 is a deficient number, since it is larger than the sum of its proper divisors (28165835).

115111825 is a wasteful number, since it uses less digits than its factorization.

115111825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17396 (or 17391 counting only the distinct ones).

The product of its digits is 400, while the sum is 25.

The square root of 115111825 is about 10729.0178954087. The cubic root of 115111825 is about 486.4519848662.

The spelling of 115111825 in words is "one hundred fifteen million, one hundred eleven thousand, eight hundred twenty-five".