115818912 has 72 divisors (see below), whose sum is σ = 359311680. Its totient is φ = 35095680.

The previous prime is 115818893. The next prime is 115818919. The reversal of 115818912 is 219818511.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (115818919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15112 + ... + 21447.

It is an arithmetic number, because the mean of its divisors is an integer number (4990440).

Almost surely, 2^115818912 is an apocalyptic number.

115818912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115818912 is an abundant number, since it is smaller than the sum of its proper divisors (243492768).

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

115818912 is a wasteful number, since it uses less digits than its factorization.

115818912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36586 (or 36575 counting only the distinct ones).

The product of its digits is 5760, while the sum is 36.

The square root of 115818912 is about 10761.9195313847. The cubic root of 115818912 is about 487.4459806022.

The spelling of 115818912 in words is "one hundred fifteen million, eight hundred eighteen thousand, nine hundred twelve".