117955159 has 4 divisors (see below), whose sum is σ = 134805904. Its totient is φ = 101104416.

The previous prime is 117955139. The next prime is 117955241. The reversal of 117955159 is 951559711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951559711 = 227 ⋅4191893.

It is not a de Polignac number, because 117955159 - 2¹⁹ = 117430871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117955139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425362 + ... + 8425375.

It is an arithmetic number, because the mean of its divisors is an integer number (33701476).

Almost surely, 2^117955159 is an apocalyptic number.

117955159 is a deficient number, since it is larger than the sum of its proper divisors (16850745).

117955159 is an equidigital number, since it uses as much as digits as its factorization.

117955159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850744.

The product of its digits is 70875, while the sum is 43.

The square root of 117955159 is about 10860.7163207590. The cubic root of 117955159 is about 490.4246755656.

The spelling of 117955159 in words is "one hundred seventeen million, nine hundred fifty-five thousand, one hundred fifty-nine".