117580071555 has 32 divisors (see below), whose sum is σ = 210186150720. Its totient is φ = 62362897920.

The previous prime is 117580071509. The next prime is 117580071563. The reversal of 117580071555 is 555170085711.

117580071555 is a `hidden beast` number, since 1 + 1 + 7 + 580 + 0 + 7 + 15 + 55 = 666.

It is not a de Polignac number, because 117580071555 - 2²⁹ = 117043200643 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117580071555.

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, 2381542 + ... + 2430411.

It is an arithmetic number, because the mean of its divisors is an integer number (6568317210).

Almost surely, 2^117580071555 is an apocalyptic number.

117580071555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117580071555 is a deficient number, since it is larger than the sum of its proper divisors (92606079165).

117580071555 is a wasteful number, since it uses less digits than its factorization.

117580071555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812148 (or 4812142 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 45.

The spelling of 117580071555 in words is "one hundred seventeen billion, five hundred eighty million, seventy-one thousand, five hundred fifty-five".