117900560640 has 288 divisors, whose sum is σ = 388558840320. Its totient is φ = 30452318208.

The previous prime is 117900560593. The next prime is 117900560699. The reversal of 117900560640 is 46065009711.

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, 16074414 + ... + 16081746.

It is an arithmetic number, because the mean of its divisors is an integer number (1349162640).

Almost surely, 2^117900560640 is an apocalyptic number.

117900560640 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 117900560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194279420160).

117900560640 is an abundant number, since it is smaller than the sum of its proper divisors (270658279680).

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

117900560640 is an equidigital number, since it uses as much as digits as its factorization.

117900560640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489 (or 7475 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 117900560640 in words is "one hundred seventeen billion, nine hundred million, five hundred sixty thousand, six hundred forty".