13051532115 has 24 divisors (see below), whose sum is σ = 23352421248. Its totient is φ = 6736273920.

The previous prime is 13051532113. The next prime is 13051532141. The reversal of 13051532115 is 51123515031.

13051532115 is a `hidden beast` number, since 1 + 3 + 0 + 515 + 32 + 115 = 666.

It is not a de Polignac number, because 13051532115 - 2¹ = 13051532113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13051532113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4676574 + ... + 4679363.

It is an arithmetic number, because the mean of its divisors is an integer number (973017552).

Almost surely, 2^13051532115 is an apocalyptic number.

13051532115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13051532115 is a deficient number, since it is larger than the sum of its proper divisors (10300889133).

13051532115 is a wasteful number, since it uses less digits than its factorization.

13051532115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355979 (or 9355976 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 13051532115 in words is "thirteen billion, fifty-one million, five hundred thirty-two thousand, one hundred fifteen".