115115556 has 24 divisors (see below), whose sum is σ = 269382400. Its totient is φ = 38260512.

The previous prime is 115115543. The next prime is 115115557. The reversal of 115115556 is 655511511.

It is not an unprimeable number, because it can be changed into a prime (115115557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9556 + ... + 17931.

Almost surely, 2^115115556 is an apocalyptic number.

It is an amenable number.

115115556 is an abundant number, since it is smaller than the sum of its proper divisors (154266844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115115556 is a wasteful number, since it uses less digits than its factorization.

115115556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27843 (or 27841 counting only the distinct ones).

The product of its digits is 3750, while the sum is 30.

The square root of 115115556 is about 10729.1917682554. The cubic root of 115115556 is about 486.4572404304.

The spelling of 115115556 in words is "one hundred fifteen million, one hundred fifteen thousand, five hundred fifty-six".