56105552913 has 8 divisors (see below), whose sum is σ = 74832360000. Its totient is φ = 37391223888.

The previous prime is 56105552851. The next prime is 56105552927. The reversal of 56105552913 is 31925550165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56105552913 - 2⁹ = 56105552401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56105552933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109018 + ... + 3127011.

It is an arithmetic number, because the mean of its divisors is an integer number (9354045000).

Almost surely, 2^56105552913 is an apocalyptic number.

It is an amenable number.

56105552913 is a deficient number, since it is larger than the sum of its proper divisors (18726807087).

56105552913 is a wasteful number, since it uses less digits than its factorization.

56105552913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239031.

The product of its (nonzero) digits is 202500, while the sum is 42.

The spelling of 56105552913 in words is "fifty-six billion, one hundred five million, five hundred fifty-two thousand, nine hundred thirteen".