117739636560 has 600 divisors, whose sum is σ = 506093322240. Its totient is φ = 24840152064.

The previous prime is 117739636537. The next prime is 117739636561. The reversal of 117739636560 is 65636937711.

117739636560 is a `hidden beast` number, since 1 + 1 + 7 + 73 + 9 + 6 + 3 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 117739636497 and 117739636506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117739636561) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7658161 + ... + 7673519.

Almost surely, 2^117739636560 is an apocalyptic number.

117739636560 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 117739636560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253046661120).

117739636560 is an abundant number, since it is smaller than the sum of its proper divisors (388353685680).

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

117739636560 is a wasteful number, since it uses less digits than its factorization.

117739636560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417 (or 15389 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 117739636560 in words is "one hundred seventeen billion, seven hundred thirty-nine million, six hundred thirty-six thousand, five hundred sixty".