561267524265264 has 60 divisors (see below), whose sum is σ = 1607299053679176. Its totient is φ = 182738263712256.

The previous prime is 561267524265157. The next prime is 561267524265269. The reversal of 561267524265264 is 462562425762165.

561267524265264 is a `hidden beast` number, since 5 + 6 + 1 + 2 + 6 + 75 + 242 + 65 + 264 = 666.

It is not an unprimeable number, because it can be changed into a prime (561267524265269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45321983817 + ... + 45321996200.

Almost surely, 2^{561267524265264} is an apocalyptic number.

It is an amenable number.

561267524265264 is an abundant number, since it is smaller than the sum of its proper divisors (1046031529413912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561267524265264 is a wasteful number, since it uses less digits than its factorization.

561267524265264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90643980074 (or 90643980065 counting only the distinct ones).

The product of its digits is 290304000, while the sum is 63.

The spelling of 561267524265264 in words is "five hundred sixty-one trillion, two hundred sixty-seven billion, five hundred twenty-four million, two hundred sixty-five thousand, two hundred sixty-four".