115981855592 has 16 divisors (see below), whose sum is σ = 217523219040. Its totient is φ = 57975663856.

The previous prime is 115981855537. The next prime is 115981855663. The reversal of 115981855592 is 295558189511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875668 + ... + 1936515.

It is an arithmetic number, because the mean of its divisors is an integer number (13595201190).

Almost surely, 2^115981855592 is an apocalyptic number.

It is an amenable number.

115981855592 is a deficient number, since it is larger than the sum of its proper divisors (101541363448).

115981855592 is a wasteful number, since it uses less digits than its factorization.

115981855592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815992 (or 3815988 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 59.

The spelling of 115981855592 in words is "one hundred fifteen billion, nine hundred eighty-one million, eight hundred fifty-five thousand, five hundred ninety-two".