56182960781 has 2 divisors, whose sum is σ = 56182960782. Its totient is φ = 56182960780.

The previous prime is 56182960711. The next prime is 56182960789. The reversal of 56182960781 is 18706928165.

56182960781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37725292900 + 18457667881 = 194230^2 + 135859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56182960781 is a prime.

It is a super-2 number, since 2×56182960781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56182960789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28091480390 + 28091480391.

It is an arithmetic number, because the mean of its divisors is an integer number (28091480391).

Almost surely, 2^56182960781 is an apocalyptic number.

It is an amenable number.

56182960781 is a deficient number, since it is larger than the sum of its proper divisors (1).

56182960781 is an equidigital number, since it uses as much as digits as its factorization.

56182960781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 56182960781 in words is "fifty-six billion, one hundred eighty-two million, nine hundred sixty thousand, seven hundred eighty-one".