561074270756801 has 2 divisors, whose sum is σ = 561074270756802. Its totient is φ = 561074270756800.

The previous prime is 561074270756789. The next prime is 561074270756837. The reversal of 561074270756801 is 108657072470165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368746606106176 + 192327664650625 = 19202776^2 + 13868225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561074270756801 is a prime.

It is not a weakly prime, because it can be changed into another prime (561074270756861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280537135378400 + 280537135378401.

It is an arithmetic number, because the mean of its divisors is an integer number (280537135378401).

Almost surely, 2^{561074270756801} is an apocalyptic number.

It is an amenable number.

561074270756801 is a deficient number, since it is larger than the sum of its proper divisors (1).

561074270756801 is an equidigital number, since it uses as much as digits as its factorization.

561074270756801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19756800, while the sum is 59.

The spelling of 561074270756801 in words is "five hundred sixty-one trillion, seventy-four billion, two hundred seventy million, seven hundred fifty-six thousand, eight hundred one".