561074270456801 has 4 divisors (see below), whose sum is σ = 561079801162500. Its totient is φ = 561068739751104.

The previous prime is 561074270456741. The next prime is 561074270456849. The reversal of 561074270456801 is 108654072470165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492442655720401 + 68631614736400 = 22191049^2 + 8284420^2 .

It is a cyclic number.

It is not a de Polignac number, because 561074270456801 - 2³⁸ = 560799392549857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561074270756801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765200676 + ... + 2765403573.

It is an arithmetic number, because the mean of its divisors is an integer number (140269950290625).

Almost surely, 2^{561074270456801} is an apocalyptic number.

It is an amenable number.

561074270456801 is a deficient number, since it is larger than the sum of its proper divisors (5530705699).

561074270456801 is a wasteful number, since it uses less digits than its factorization.

561074270456801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530705698.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 561074270456801 in words is "five hundred sixty-one trillion, seventy-four billion, two hundred seventy million, four hundred fifty-six thousand, eight hundred one".