56871277101 has 12 divisors (see below), whose sum is σ = 82152612828. Its totient is φ = 37911778944.

The previous prime is 56871277069. The next prime is 56871277117. The reversal of 56871277101 is 10177217865.

56871277101 is a `hidden beast` number, since 568 + 7 + 1 + 2 + 77 + 10 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55519611876 + 1351665225 = 235626^2 + 36765^2 .

It is not a de Polignac number, because 56871277101 - 2⁵ = 56871277069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56871277121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44370 + ... + 340163.

It is an arithmetic number, because the mean of its divisors is an integer number (6846051069).

Almost surely, 2^56871277101 is an apocalyptic number.

It is an amenable number.

56871277101 is a deficient number, since it is larger than the sum of its proper divisors (25281335727).

56871277101 is a wasteful number, since it uses less digits than its factorization.

56871277101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400972 (or 400969 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 45.

The spelling of 56871277101 in words is "fifty-six billion, eight hundred seventy-one million, two hundred seventy-seven thousand, one hundred one".