13531105115 has 12 divisors (see below), whose sum is σ = 17847640272. Its totient is φ = 9840803280.

The previous prime is 13531105079. The next prime is 13531105139. The reversal of 13531105115 is 51150113531.

It is not a de Polignac number, because 13531105115 - 2¹⁰ = 13531104091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11182127 + ... + 11183336.

It is an arithmetic number, because the mean of its divisors is an integer number (1487303356).

Almost surely, 2^13531105115 is an apocalyptic number.

13531105115 is a deficient number, since it is larger than the sum of its proper divisors (4316535157).

13531105115 is a wasteful number, since it uses less digits than its factorization.

13531105115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22365490 (or 22365479 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 26.

Adding to 13531105115 its reverse (51150113531), we get a palindrome (64681218646).

The spelling of 13531105115 in words is "thirteen billion, five hundred thirty-one million, one hundred five thousand, one hundred fifteen".