117570641220 has 36 divisors (see below), whose sum is σ = 356630945580. Its totient is φ = 31352170944.

The previous prime is 117570641203. The next prime is 117570641239. The reversal of 117570641220 is 22146075711.

117570641220 is a `hidden beast` number, since 1 + 1 + 7 + 5 + 7 + 0 + 641 + 2 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15294763584 + 102275877636 = 123672^2 + 319806^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326584935 + ... + 326585294.

It is an arithmetic number, because the mean of its divisors is an integer number (9906415155).

Almost surely, 2^117570641220 is an apocalyptic number.

117570641220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117570641220 is an abundant number, since it is smaller than the sum of its proper divisors (239060304360).

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

117570641220 is a wasteful number, since it uses less digits than its factorization.

117570641220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653170244 (or 653170239 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 117570641220 in words is "one hundred seventeen billion, five hundred seventy million, six hundred forty-one thousand, two hundred twenty".