117321617580 has 96 divisors (see below), whose sum is σ = 340901749440. Its totient is φ = 30111513600.

The previous prime is 117321617527. The next prime is 117321617599. The reversal of 117321617580 is 85716123711.

117321617580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 445230 + ... + 657930.

It is an arithmetic number, because the mean of its divisors is an integer number (3551059890).

Almost surely, 2^117321617580 is an apocalyptic number.

117321617580 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 117321617580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170450874720).

117321617580 is an abundant number, since it is smaller than the sum of its proper divisors (223580131860).

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

117321617580 is a wasteful number, since it uses less digits than its factorization.

117321617580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213059 (or 213057 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 117321617580 in words is "one hundred seventeen billion, three hundred twenty-one million, six hundred seventeen thousand, five hundred eighty".