117015645315 has 16 divisors (see below), whose sum is σ = 187953540768. Its totient is φ = 62165508096.

The previous prime is 117015645277. The next prime is 117015645349. The reversal of 117015645315 is 513546510711.

It is not a de Polignac number, because 117015645315 - 2¹⁴ = 117015628931 is a prime.

It is a super-2 number, since 2×117015645315² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15173272 + ... + 15180981.

It is an arithmetic number, because the mean of its divisors is an integer number (11747096298).

Almost surely, 2^117015645315 is an apocalyptic number.

117015645315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117015645315 is a deficient number, since it is larger than the sum of its proper divisors (70937895453).

117015645315 is a wasteful number, since it uses less digits than its factorization.

117015645315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30354518.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 117015645315 in words is "one hundred seventeen billion, fifteen million, six hundred forty-five thousand, three hundred fifteen".