13104520203544 has 48 divisors (see below), whose sum is σ = 30866018677200. Its totient is φ = 5105657219520.

The previous prime is 13104520203539. The next prime is 13104520203641. The reversal of 13104520203544 is 44530202540131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966973759 + ... + 966987310.

It is an arithmetic number, because the mean of its divisors is an integer number (643042055775).

Almost surely, 2^{13104520203544} is an apocalyptic number.

13104520203544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13104520203544 is an abundant number, since it is smaller than the sum of its proper divisors (17761498473656).

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

13104520203544 is a wasteful number, since it uses less digits than its factorization.

13104520203544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933961104 (or 1933961089 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 13104520203544 its reverse (44530202540131), we get a palindrome (57634722743675).

The spelling of 13104520203544 in words is "thirteen trillion, one hundred four billion, five hundred twenty million, two hundred three thousand, five hundred forty-four".