561973501120 has 56 divisors (see below), whose sum is σ = 1338320412000. Its totient is φ = 224769073152.

The previous prime is 561973501069. The next prime is 561973501189. The reversal of 561973501120 is 21105379165.

It is a super-2 number, since 2×561973501120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753456 + ... + 3900304.

Almost surely, 2^561973501120 is an apocalyptic number.

It is an amenable number.

561973501120 is an abundant number, since it is smaller than the sum of its proper divisors (776346910880).

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

561973501120 is a wasteful number, since it uses less digits than its factorization.

561973501120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158825 (or 158815 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 561973501120 in words is "five hundred sixty-one billion, nine hundred seventy-three million, five hundred one thousand, one hundred twenty".