561706015600 has 60 divisors (see below), whose sum is σ = 1351245240216. Its totient is φ = 224391619840.

The previous prime is 561706015589. The next prime is 561706015649. The reversal of 561706015600 is 6510607165.

It is a super-2 number, since 2×561706015600² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 561706015600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599122 + ... + 1217521.

Almost surely, 2^561706015600 is an apocalyptic number.

561706015600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561706015600 is an abundant number, since it is smaller than the sum of its proper divisors (789539224616).

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

561706015600 is a wasteful number, since it uses less digits than its factorization.

561706015600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817434 (or 1817423 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 561706015600 in words is "five hundred sixty-one billion, seven hundred six million, fifteen thousand, six hundred".