117315555 has 96 divisors (see below), whose sum is σ = 237867840. Its totient is φ = 49029120.

The previous prime is 117315547. The next prime is 117315577. The reversal of 117315555 is 555513711.

It is not a de Polignac number, because 117315555 - 2³ = 117315547 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 512181 + ... + 512409.

It is an arithmetic number, because the mean of its divisors is an integer number (2477790).

Almost surely, 2^117315555 is an apocalyptic number.

117315555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117315555 is an abundant number, since it is smaller than the sum of its proper divisors (120552285).

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

117315555 is a wasteful number, since it uses less digits than its factorization.

117315555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 302 counting only the distinct ones).

The product of its digits is 13125, while the sum is 33.

The square root of 117315555 is about 10831.2305395093. The cubic root of 117315555 is about 489.5366367936.

The spelling of 117315555 in words is "one hundred seventeen million, three hundred fifteen thousand, five hundred fifty-five".