561172283888 has 40 divisors (see below), whose sum is σ = 1097600164272. Its totient is φ = 277921430528.

The previous prime is 561172283863. The next prime is 561172283923. The reversal of 561172283888 is 888382271165.

It is a congruent number.

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, 13258856 + ... + 13301112.

Almost surely, 2^561172283888 is an apocalyptic number.

It is an amenable number.

561172283888 is a deficient number, since it is larger than the sum of its proper divisors (536427880384).

561172283888 is a wasteful number, since it uses less digits than its factorization.

561172283888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50129 (or 50123 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 59.

The spelling of 561172283888 in words is "five hundred sixty-one billion, one hundred seventy-two million, two hundred eighty-three thousand, eight hundred eighty-eight".