56120403569 has 16 divisors (see below), whose sum is σ = 61039418880. Its totient is φ = 51401278080.

The previous prime is 56120403551. The next prime is 56120403583. The reversal of 56120403569 is 96530402165.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56120403569 is a prime.

It is a super-2 number, since 2×56120403569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56120403589) 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, 562319 + ... + 654555.

It is an arithmetic number, because the mean of its divisors is an integer number (3814963680).

Almost surely, 2^56120403569 is an apocalyptic number.

It is an amenable number.

56120403569 is a deficient number, since it is larger than the sum of its proper divisors (4919015311).

56120403569 is a wasteful number, since it uses less digits than its factorization.

56120403569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93320.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 56120403569 in words is "fifty-six billion, one hundred twenty million, four hundred three thousand, five hundred sixty-nine".