56100581101 has 2 divisors, whose sum is σ = 56100581102. Its totient is φ = 56100581100.

The previous prime is 56100581051. The next prime is 56100581149. The reversal of 56100581101 is 10118500165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54098108100 + 2002473001 = 232590^2 + 44749^2 .

It is a cyclic number.

It is not a de Polignac number, because 56100581101 - 2²⁵ = 56067026669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56100581101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56100581701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28050290550 + 28050290551.

It is an arithmetic number, because the mean of its divisors is an integer number (28050290551).

Almost surely, 2^56100581101 is an apocalyptic number.

It is an amenable number.

56100581101 is a deficient number, since it is larger than the sum of its proper divisors (1).

56100581101 is an equidigital number, since it uses as much as digits as its factorization.

56100581101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 56100581101 in words is "fifty-six billion, one hundred million, five hundred eighty-one thousand, one hundred one".