13126056400655 has 16 divisors (see below), whose sum is σ = 17206453123200. Its totient is φ = 9533305049760.

The previous prime is 13126056400643. The next prime is 13126056400669. The reversal of 13126056400655 is 55600465062131.

It is not a de Polignac number, because 13126056400655 - 2⁸ = 13126056400399 is a prime.

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, 161431325 + ... + 161512614.

It is an arithmetic number, because the mean of its divisors is an integer number (1075403320200).

Almost surely, 2^{13126056400655} is an apocalyptic number.

13126056400655 is a deficient number, since it is larger than the sum of its proper divisors (4080396722545).

13126056400655 is a wasteful number, since it uses less digits than its factorization.

13126056400655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322944694.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 13126056400655 in words is "thirteen trillion, one hundred twenty-six billion, fifty-six million, four hundred thousand, six hundred fifty-five".