56815077141 has 6 divisors (see below), whose sum is σ = 82066222550. Its totient is φ = 37876718088.

The previous prime is 56815077119. The next prime is 56815077157. The reversal of 56815077141 is 14177051865.

56815077141 is a `hidden beast` number, since 56 + 81 + 507 + 7 + 14 + 1 = 666.

56815077141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30992194116 + 25822883025 = 176046^2 + 160695^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56815077141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56815077841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3156393166 + ... + 3156393183.

Almost surely, 2^56815077141 is an apocalyptic number.

It is an amenable number.

56815077141 is a deficient number, since it is larger than the sum of its proper divisors (25251145409).

56815077141 is a wasteful number, since it uses less digits than its factorization.

56815077141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312786355 (or 6312786352 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 56815077141 in words is "fifty-six billion, eight hundred fifteen million, seventy-seven thousand, one hundred forty-one".