113171875345920 has 320 divisors, whose sum is σ = 374150374557696. Its totient is φ = 29152219299840.

The previous prime is 113171875345819. The next prime is 113171875345931. The reversal of 113171875345920 is 29543578171311.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129795252 + ... + 130664268.

Almost surely, 2^{113171875345920} is an apocalyptic number.

113171875345920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113171875345920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187075187278848).

113171875345920 is an abundant number, since it is smaller than the sum of its proper divisors (260978499211776).

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

113171875345920 is an equidigital number, since it uses as much as digits as its factorization.

113171875345920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869621 (or 869605 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 57.

The spelling of 113171875345920 in words is "one hundred thirteen trillion, one hundred seventy-one billion, eight hundred seventy-five million, three hundred forty-five thousand, nine hundred twenty".