115993518 has 32 divisors (see below), whose sum is σ = 245472000. Its totient is φ = 36438336.

The previous prime is 115993477. The next prime is 115993543. The reversal of 115993518 is 815399511.

It is a self number, because there is not a number n which added to its sum of digits gives 115993518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20130 + ... + 25242.

It is an arithmetic number, because the mean of its divisors is an integer number (7671000).

Almost surely, 2^115993518 is an apocalyptic number.

115993518 is an abundant number, since it is smaller than the sum of its proper divisors (129478482).

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

115993518 is a wasteful number, since it uses less digits than its factorization.

115993518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336.

The product of its digits is 48600, while the sum is 42.

The square root of 115993518 is about 10770.0286907696. The cubic root of 115993518 is about 487.6908118268.

The spelling of 115993518 in words is "one hundred fifteen million, nine hundred ninety-three thousand, five hundred eighteen".