13255335504 has 80 divisors (see below), whose sum is σ = 38071273600. Its totient is φ = 4415710464.

The previous prime is 13255335491. The next prime is 13255335521. The reversal of 13255335504 is 40553355231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761652 + ... + 778860.

It is an arithmetic number, because the mean of its divisors is an integer number (475890920).

Almost surely, 2^13255335504 is an apocalyptic number.

It is an amenable number.

13255335504 is an abundant number, since it is smaller than the sum of its proper divisors (24815938096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13255335504 is a wasteful number, since it uses less digits than its factorization.

13255335504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009 (or 18997 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 13255335504 in words is "thirteen billion, two hundred fifty-five million, three hundred thirty-five thousand, five hundred four".