561593530783720 has 128 divisors (see below), whose sum is σ = 1283740782451200. Its totient is φ = 221073204658176.

The previous prime is 561593530783669. The next prime is 561593530783741. The reversal of 561593530783720 is 27387035395165.

It is a happy 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, 3018626542 + ... + 3018812578.

It is an arithmetic number, because the mean of its divisors is an integer number (10029224862900).

Almost surely, 2^{561593530783720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561593530783720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641870391225600).

561593530783720 is an abundant number, since it is smaller than the sum of its proper divisors (722147251667480).

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

561593530783720 is a wasteful number, since it uses less digits than its factorization.

561593530783720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189227 (or 189223 counting only the distinct ones).

The product of its (nonzero) digits is 142884000, while the sum is 64.

The spelling of 561593530783720 in words is "five hundred sixty-one trillion, five hundred ninety-three billion, five hundred thirty million, seven hundred eighty-three thousand, seven hundred twenty".