115515325 has 24 divisors (see below), whose sum is σ = 146140200. Its totient is φ = 90562560.

The previous prime is 115515311. The next prime is 115515341. The reversal of 115515325 is 523515511.

It can be written as a sum of positive squares in 12 ways, for example, as 91642329 + 23872996 = 9573^2 + 4886^2 .

It is not a de Polignac number, because 115515325 - 2⁵ = 115515293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115515293 and 115515302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429291 + ... + 429559.

It is an arithmetic number, because the mean of its divisors is an integer number (6089175).

Almost surely, 2^115515325 is an apocalyptic number.

It is an amenable number.

115515325 is a deficient number, since it is larger than the sum of its proper divisors (30624875).

115515325 is a wasteful number, since it uses less digits than its factorization.

115515325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

The product of its digits is 3750, while the sum is 28.

The square root of 115515325 is about 10747.8055899798. The cubic root of 115515325 is about 487.0197066685.

The spelling of 115515325 in words is "one hundred fifteen million, five hundred fifteen thousand, three hundred twenty-five".