117157015 has 8 divisors (see below), whose sum is σ = 141878880. Its totient is φ = 92865312.

The previous prime is 117156997. The next prime is 117157031. The reversal of 117157015 is 510751711.

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

It is a cyclic number.

It is not a de Polignac number, because 117157015 - 2¹¹ = 117154967 is a prime.

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, 106939 + ... + 108028.

It is an arithmetic number, because the mean of its divisors is an integer number (17734860).

Almost surely, 2^117157015 is an apocalyptic number.

117157015 is a deficient number, since it is larger than the sum of its proper divisors (24721865).

117157015 is a wasteful number, since it uses less digits than its factorization.

117157015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215081.

The product of its (nonzero) digits is 1225, while the sum is 28.

The square root of 117157015 is about 10823.9094138855. The cubic root of 117157015 is about 489.3160177807.

The spelling of 117157015 in words is "one hundred seventeen million, one hundred fifty-seven thousand, fifteen".