13171715115 has 16 divisors (see below), whose sum is σ = 22695878688. Its totient is φ = 6484536576.

The previous prime is 13171715113. The next prime is 13171715119. The reversal of 13171715115 is 51151717131.

It is not a de Polignac number, because 13171715115 - 2¹ = 13171715113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13171715113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33773434 + ... + 33773823.

It is an arithmetic number, because the mean of its divisors is an integer number (1418492418).

Almost surely, 2^13171715115 is an apocalyptic number.

13171715115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13171715115 is a deficient number, since it is larger than the sum of its proper divisors (9524163573).

13171715115 is a wasteful number, since it uses less digits than its factorization.

13171715115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67547278.

The product of its digits is 3675, while the sum is 33.

The spelling of 13171715115 in words is "thirteen billion, one hundred seventy-one million, seven hundred fifteen thousand, one hundred fifteen".