13104520041256 has 32 divisors (see below), whose sum is σ = 28096059312000. Its totient is φ = 5613233887296.

The previous prime is 13104520041211. The next prime is 13104520041257. The reversal of 13104520041256 is 65214002540131.

It is not an unprimeable number, because it can be changed into a prime (13104520041257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62164411 + ... + 62374858.

It is an arithmetic number, because the mean of its divisors is an integer number (878001853500).

Almost surely, 2^{13104520041256} is an apocalyptic number.

It is an amenable number.

13104520041256 is an abundant number, since it is smaller than the sum of its proper divisors (14991539270744).

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

13104520041256 is a wasteful number, since it uses less digits than its factorization.

13104520041256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124541161 (or 124541157 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 13104520041256 its reverse (65214002540131), we get a palindrome (78318522581387).

The spelling of 13104520041256 in words is "thirteen trillion, one hundred four billion, five hundred twenty million, forty-one thousand, two hundred fifty-six".