117155165 has 8 divisors (see below), whose sum is σ = 140659200. Its totient is φ = 93675472.

The previous prime is 117155153. The next prime is 117155267. The reversal of 117155165 is 561551711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117155165 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7112 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (17582400).

Almost surely, 2^117155165 is an apocalyptic number.

It is an amenable number.

117155165 is a deficient number, since it is larger than the sum of its proper divisors (23504035).

117155165 is an equidigital number, since it uses as much as digits as its factorization.

117155165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171.

The product of its digits is 5250, while the sum is 32.

The square root of 117155165 is about 10823.8239545920. The cubic root of 117155165 is about 489.3134422075.

The spelling of 117155165 in words is "one hundred seventeen million, one hundred fifty-five thousand, one hundred sixty-five".