113345645520 has 80 divisors (see below), whose sum is σ = 351490896000. Its totient is φ = 30215235072.

The previous prime is 113345645507. The next prime is 113345645533. The reversal of 113345645520 is 25546543311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113345645507) and next prime (113345645533).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641022 + ... + 798498.

It is an arithmetic number, because the mean of its divisors is an integer number (4393636200).

Almost surely, 2^113345645520 is an apocalyptic number.

113345645520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113345645520 is an abundant number, since it is smaller than the sum of its proper divisors (238145250480).

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

113345645520 is a wasteful number, since it uses less digits than its factorization.

113345645520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160492 (or 160486 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 113345645520 in words is "one hundred thirteen billion, three hundred forty-five million, six hundred forty-five thousand, five hundred twenty".