113219564720 has 20 divisors (see below), whose sum is σ = 263235488160. Its totient is φ = 45287825856.

The previous prime is 113219564659. The next prime is 113219564729. The reversal of 113219564720 is 27465912311.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (113219564729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707622200 + ... + 707622359.

It is an arithmetic number, because the mean of its divisors is an integer number (13161774408).

Almost surely, 2^113219564720 is an apocalyptic number.

113219564720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113219564720 is an abundant number, since it is smaller than the sum of its proper divisors (150015923440).

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

113219564720 is a wasteful number, since it uses less digits than its factorization.

113219564720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415244572 (or 1415244566 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 113219564720 in words is "one hundred thirteen billion, two hundred nineteen million, five hundred sixty-four thousand, seven hundred twenty".