561596344893700 has 18 divisors (see below), whose sum is σ = 1218664068419546. Its totient is φ = 224638537957440.

The previous prime is 561596344893679. The next prime is 561596344893707. The reversal of 561596344893700 is 7398443695165.

It can be written as a sum of positive squares in 3 ways, for example, as 87745035341824 + 473851309551876 = 9367232^2 + 21768126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 561596344893700.

It is not an unprimeable number, because it can be changed into a prime (561596344893707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2807981724369 + ... + 2807981724568.

Almost surely, 2^{561596344893700} is an apocalyptic number.

561596344893700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561596344893700 is an abundant number, since it is smaller than the sum of its proper divisors (657067723525846).

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

561596344893700 is a wasteful number, since it uses less digits than its factorization.

561596344893700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615963448951 (or 5615963448944 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 70.

The spelling of 561596344893700 in words is "five hundred sixty-one trillion, five hundred ninety-six billion, three hundred forty-four million, eight hundred ninety-three thousand, seven hundred".