117776320515 has 32 divisors (see below), whose sum is σ = 239291573760. Its totient is φ = 53840603232.

The previous prime is 117776320511. The next prime is 117776320523. The reversal of 117776320515 is 515023677711.

117776320515 is a `hidden beast` number, since 1 + 1 + 7 + 7 + 7 + 632 + 0 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 117776320515 - 2² = 117776320511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (117776320511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62314569 + ... + 62316458.

It is an arithmetic number, because the mean of its divisors is an integer number (7477861680).

Almost surely, 2^117776320515 is an apocalyptic number.

117776320515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117776320515 is an abundant number, since it is smaller than the sum of its proper divisors (121515253245).

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

117776320515 is a wasteful number, since it uses less digits than its factorization.

117776320515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124631048 (or 124631042 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 45.

The spelling of 117776320515 in words is "one hundred seventeen billion, seven hundred seventy-six million, three hundred twenty thousand, five hundred fifteen".