56362111011281 has 2 divisors, whose sum is σ = 56362111011282. Its totient is φ = 56362111011280.

The previous prime is 56362111011257. The next prime is 56362111011293. The reversal of 56362111011281 is 18211011126365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40921800910225 + 15440310101056 = 6397015^2 + 3929416^2 .

It is a cyclic number.

It is not a de Polignac number, because 56362111011281 - 2³⁸ = 56087233104337 is a prime.

It is a super-2 number, since 2×56362111011281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56362111010281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28181055505640 + 28181055505641.

It is an arithmetic number, because the mean of its divisors is an integer number (28181055505641).

Almost surely, 2^{56362111011281} is an apocalyptic number.

It is an amenable number.

56362111011281 is a deficient number, since it is larger than the sum of its proper divisors (1).

56362111011281 is an equidigital number, since it uses as much as digits as its factorization.

56362111011281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 56362111011281 in words is "fifty-six trillion, three hundred sixty-two billion, one hundred eleven million, eleven thousand, two hundred eighty-one".