561060116565 has 32 divisors (see below), whose sum is σ = 968129076096. Its totient is φ = 275820115200.

The previous prime is 561060116557. The next prime is 561060116623. The reversal of 561060116565 is 565611060165.

It is not a de Polignac number, because 561060116565 - 2³ = 561060116557 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915539 + ... + 2188928.

It is an arithmetic number, because the mean of its divisors is an integer number (30254033628).

Almost surely, 2^561060116565 is an apocalyptic number.

It is an amenable number.

561060116565 is a deficient number, since it is larger than the sum of its proper divisors (407068959531).

561060116565 is a wasteful number, since it uses less digits than its factorization.

561060116565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105189.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 561060116565 in words is "five hundred sixty-one billion, sixty million, one hundred sixteen thousand, five hundred sixty-five".