13155125516 has 24 divisors (see below), whose sum is σ = 24796818480. Its totient is φ = 6070502592.

The previous prime is 13155125491. The next prime is 13155125567. The reversal of 13155125516 is 61552155131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316835 + ... + 355941.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200770).

Almost surely, 2^13155125516 is an apocalyptic number.

It is an amenable number.

13155125516 is a deficient number, since it is larger than the sum of its proper divisors (11641692964).

13155125516 is a wasteful number, since it uses less digits than its factorization.

13155125516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45593 (or 45591 counting only the distinct ones).

The product of its digits is 22500, while the sum is 35.

The spelling of 13155125516 in words is "thirteen billion, one hundred fifty-five million, one hundred twenty-five thousand, five hundred sixteen".