113155512 has 32 divisors (see below), whose sum is σ = 283232400. Its totient is φ = 37672704.

The previous prime is 113155499. The next prime is 113155529. The reversal of 113155512 is 215551311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21564 + ... + 26292.

Almost surely, 2^113155512 is an apocalyptic number.

113155512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113155512 is an abundant number, since it is smaller than the sum of its proper divisors (170076888).

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

113155512 is a wasteful number, since it uses less digits than its factorization.

113155512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5731 counting only the distinct ones).

The product of its digits is 750, while the sum is 24.

The square root of 113155512 is about 10637.4579670145. The cubic root of 113155512 is about 483.6804917190.

The spelling of 113155512 in words is "one hundred thirteen million, one hundred fifty-five thousand, five hundred twelve".