13513053155 has 24 divisors (see below), whose sum is σ = 18871592832.
Its totient is φ = 9261931392.
The previous prime is 13513053139. The next prime is 13513053167. The reversal of 13513053155 is 55135031531.
Adding to 13513053155 its reverse (55135031531), we get a palindrome (68648084686).
It is a happy number.
It is not a de Polignac number, because 13513053155 - 24 = 13513053139 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 594734 + ... + 617036.
It is an arithmetic number, because the mean of its divisors is an integer number (786316368).
Almost surely, 213513053155 is an apocalyptic number.
13513053155 is a deficient number, since it is larger than the sum of its proper divisors (5358539677).
13513053155 is a wasteful number, since it uses less digits than its factorization.
13513053155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24795 (or 24788 counting only the distinct ones).
The product of its (nonzero) digits is 16875, while the sum is 32.
The spelling of 13513053155 in words is "thirteen billion, five hundred thirteen million, fifty-three thousand, one hundred fifty-five".