117715255 has 16 divisors (see below), whose sum is σ = 162379584. Its totient is φ = 80248320.

The previous prime is 117715253. The next prime is 117715267. The reversal of 117715255 is 552517711.

It is not a de Polignac number, because 117715255 - 2¹ = 117715253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117715255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117715253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3666 + ... + 15775.

It is an arithmetic number, because the mean of its divisors is an integer number (10148724).

Almost surely, 2^117715255 is an apocalyptic number.

117715255 is a deficient number, since it is larger than the sum of its proper divisors (44664329).

117715255 is a wasteful number, since it uses less digits than its factorization.

117715255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626.

The product of its digits is 12250, while the sum is 34.

The square root of 117715255 is about 10849.6661238952. Note that the first 3 decimals coincide. The cubic root of 117715255 is about 490.0919652458.

The spelling of 117715255 in words is "one hundred seventeen million, seven hundred fifteen thousand, two hundred fifty-five".