117515525616 has 180 divisors, whose sum is σ = 358421832600. Its totient is φ = 35801063424.

The previous prime is 117515525549. The next prime is 117515525627. The reversal of 117515525616 is 616525515711.

117515525616 is a `hidden beast` number, since 1 + 1 + 7 + 5 + 1 + 5 + 5 + 25 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96561040 + ... + 96562256.

Almost surely, 2^117515525616 is an apocalyptic number.

117515525616 is a gapful number since it is divisible by the number (16) 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 117515525616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179210916300).

117515525616 is an abundant number, since it is smaller than the sum of its proper divisors (240906306984).

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

117515525616 is a wasteful number, since it uses less digits than its factorization.

117515525616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 1270 counting only the distinct ones).

The product of its digits is 315000, while the sum is 45.

The spelling of 117515525616 in words is "one hundred seventeen billion, five hundred fifteen million, five hundred twenty-five thousand, six hundred sixteen".