56028771624481 has 2 divisors, whose sum is σ = 56028771624482. Its totient is φ = 56028771624480.

The previous prime is 56028771624421. The next prime is 56028771624487. The reversal of 56028771624481 is 18442617782065.

It is a happy number.

56028771624481 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., 36119907680256 + 19908863944225 = 6009984^2 + 4461935^2 .

It is a cyclic number.

It is not a de Polignac number, because 56028771624481 - 2²¹ = 56028769527329 is a prime.

It is a super-2 number, since 2×56028771624481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56028771624487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28014385812240 + 28014385812241.

It is an arithmetic number, because the mean of its divisors is an integer number (28014385812241).

Almost surely, 2^{56028771624481} is an apocalyptic number.

It is an amenable number.

56028771624481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56028771624481 is an equidigital number, since it uses as much as digits as its factorization.

56028771624481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 56028771624481 in words is "fifty-six trillion, twenty-eight billion, seven hundred seventy-one million, six hundred twenty-four thousand, four hundred eighty-one".