13256013565411 has 16 divisors (see below), whose sum is σ = 13702457525760. Its totient is φ = 12814227803520.

The previous prime is 13256013565409. The next prime is 13256013565453. The reversal of 13256013565411 is 11456531065231.

It is a cyclic number.

It is not a de Polignac number, because 13256013565411 - 2¹ = 13256013565409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13256013595411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56759385 + ... + 56992453.

It is an arithmetic number, because the mean of its divisors is an integer number (856403595360).

Almost surely, 2^{13256013565411} is an apocalyptic number.

13256013565411 is a deficient number, since it is larger than the sum of its proper divisors (446443960349).

13256013565411 is a wasteful number, since it uses less digits than its factorization.

13256013565411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243054.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 13256013565411 in words is "thirteen trillion, two hundred fifty-six billion, thirteen million, five hundred sixty-five thousand, four hundred eleven".