13404661055 has 16 divisors (see below), whose sum is σ = 16366419360. Its totient is φ = 10536693888.

The previous prime is 13404661033. The next prime is 13404661093. The reversal of 13404661055 is 55016640431.

It is not a de Polignac number, because 13404661055 - 2²⁰ = 13403612479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642569 + ... + 663101.

It is an arithmetic number, because the mean of its divisors is an integer number (1022901210).

Almost surely, 2^13404661055 is an apocalyptic number.

13404661055 is a deficient number, since it is larger than the sum of its proper divisors (2961758305).

13404661055 is a wasteful number, since it uses less digits than its factorization.

13404661055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22810.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 13404661055 in words is "thirteen billion, four hundred four million, six hundred sixty-one thousand, fifty-five".