117502515 has 128 divisors (see below), whose sum is σ = 243855360. Its totient is φ = 53222400.

The previous prime is 117502513. The next prime is 117502543. The reversal of 117502515 is 515205711.

It is not a de Polignac number, because 117502515 - 2¹ = 117502513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (117502513) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1654930 + ... + 1655000.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^117502515 is an apocalyptic number.

117502515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117502515 is an abundant number, since it is smaller than the sum of its proper divisors (126352845).

117502515 is a wasteful number, since it uses less digits than its factorization.

117502515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 117502515 is about 10839.8577020180. The cubic root of 117502515 is about 489.7965488847.

The spelling of 117502515 in words is "one hundred seventeen million, five hundred two thousand, five hundred fifteen".