117317612256 has 96 divisors (see below), whose sum is σ = 336319216128. Its totient is φ = 35589281280.

The previous prime is 117317612233. The next prime is 117317612299. The reversal of 117317612256 is 652216713711.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×117317612256² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573396 + ... + 750611.

It is an arithmetic number, because the mean of its divisors is an integer number (3503325168).

Almost surely, 2^117317612256 is an apocalyptic number.

117317612256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117317612256 is an abundant number, since it is smaller than the sum of its proper divisors (219001603872).

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

117317612256 is a wasteful number, since it uses less digits than its factorization.

117317612256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324104 (or 1324096 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The spelling of 117317612256 in words is "one hundred seventeen billion, three hundred seventeen million, six hundred twelve thousand, two hundred fifty-six".