117506515 has 16 divisors (see below), whose sum is σ = 161971200. Its totient is φ = 80166240.

The previous prime is 117506449. The next prime is 117506549. The reversal of 117506515 is 515605711.

It is not a de Polignac number, because 117506515 - 2⁷ = 117506387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (10123200).

Almost surely, 2^117506515 is an apocalyptic number.

117506515 is a deficient number, since it is larger than the sum of its proper divisors (44464685).

117506515 is a wasteful number, since it uses less digits than its factorization.

117506515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17082.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 117506515 is about 10840.0422047149. The cubic root of 117506515 is about 489.8021066777.

The spelling of 117506515 in words is "one hundred seventeen million, five hundred six thousand, five hundred fifteen".