56700869880005 has 64 divisors (see below), whose sum is σ = 74867391281088. Its totient is φ = 40965965414400.

The previous prime is 56700869879959. The next prime is 56700869880007. The reversal of 56700869880005 is 50008896800765.

56700869880005 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 7529998²+1.

It can be written as a sum of positive squares in 32 ways, for example, as 49050384945604 + 7650484934401 = 7003598^2 + 2765951^2 .

It is not a de Polignac number, because 56700869880005 - 2¹⁶ = 56700869814469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56700869880005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56700869880007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7483283777 + ... + 7483291353.

It is an arithmetic number, because the mean of its divisors is an integer number (1169802988767).

Almost surely, 2^{56700869880005} is an apocalyptic number.

It is an amenable number.

56700869880005 is a deficient number, since it is larger than the sum of its proper divisors (18166521401083).

56700869880005 is a wasteful number, since it uses less digits than its factorization.

56700869880005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 56700869880005 in words is "fifty-six trillion, seven hundred billion, eight hundred sixty-nine million, eight hundred eighty thousand, five".