113457505280 has 88 divisors (see below), whose sum is σ = 311045875008. Its totient is φ = 38899703808.

The previous prime is 113457505279. The next prime is 113457505303. The reversal of 113457505280 is 82505754311.

It is a happy number.

It is a super-2 number, since 2×113457505280² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546994 + ... + 1618673.

It is an arithmetic number, because the mean of its divisors is an integer number (3534612216).

Almost surely, 2^113457505280 is an apocalyptic number.

113457505280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113457505280 is an abundant number, since it is smaller than the sum of its proper divisors (197588369728).

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

113457505280 is an equidigital number, since it uses as much as digits as its factorization.

113457505280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165699 (or 3165681 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 113457505280 in words is "one hundred thirteen billion, four hundred fifty-seven million, five hundred five thousand, two hundred eighty".