13015115135 has 24 divisors (see below), whose sum is σ = 17244205440. Its totient is φ = 9422994240.

The previous prime is 13015115131. The next prime is 13015115137. The reversal of 13015115135 is 53151151031.

It is not a de Polignac number, because 13015115135 - 2² = 13015115131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015115131) 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, 86681 + ... + 183149.

It is an arithmetic number, because the mean of its divisors is an integer number (718508560).

Almost surely, 2^13015115135 is an apocalyptic number.

13015115135 is a deficient number, since it is larger than the sum of its proper divisors (4229090305).

13015115135 is a wasteful number, since it uses less digits than its factorization.

13015115135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96719 (or 96708 counting only the distinct ones).

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

Adding to 13015115135 its reverse (53151151031), we get a palindrome (66166266166).

The spelling of 13015115135 in words is "thirteen billion, fifteen million, one hundred fifteen thousand, one hundred thirty-five".