113782571656812 has 36 divisors (see below), whose sum is σ = 287657277319776. Its totient is φ = 37922219992800.

The previous prime is 113782571656811. The next prime is 113782571656903. The reversal of 113782571656812 is 218656175287311.

113782571656812 is a `hidden beast` number, since 1 + 1 + 3 + 7 + 8 + 2 + 57 + 1 + 6 + 568 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×113782571656812² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113782571656812.

It is not an unprimeable number, because it can be changed into a prime (113782571656811) 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, 220734523 + ... + 221249394.

Almost surely, 2^{113782571656812} is an apocalyptic number.

113782571656812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113782571656812 is an abundant number, since it is smaller than the sum of its proper divisors (173874705662964).

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

113782571656812 is a wasteful number, since it uses less digits than its factorization.

113782571656812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441991078 (or 441991073 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 63.

The spelling of 113782571656812 in words is "one hundred thirteen trillion, seven hundred eighty-two billion, five hundred seventy-one million, six hundred fifty-six thousand, eight hundred twelve".