13531143115 has 32 divisors (see below), whose sum is σ = 19657728000. Its totient is φ = 8728641024.

The previous prime is 13531143083. The next prime is 13531143163. The reversal of 13531143115 is 51134113531.

It is not a de Polignac number, because 13531143115 - 2⁵ = 13531143083 is a prime.

It is a super-2 number, since 2×13531143115² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1780614 + ... + 1788196.

It is an arithmetic number, because the mean of its divisors is an integer number (614304000).

Almost surely, 2^13531143115 is an apocalyptic number.

13531143115 is a deficient number, since it is larger than the sum of its proper divisors (6126584885).

13531143115 is a wasteful number, since it uses less digits than its factorization.

13531143115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611.

The product of its digits is 2700, while the sum is 28.

Adding to 13531143115 its reverse (51134113531), we get a palindrome (64665256646).

The spelling of 13531143115 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-three thousand, one hundred fifteen".