561506411624 has 32 divisors (see below), whose sum is σ = 1089505296000. Its totient is φ = 270978359232.

The previous prime is 561506411617. The next prime is 561506411633. The reversal of 561506411624 is 426114605165.

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, 256637 + ... + 1090355.

It is an arithmetic number, because the mean of its divisors is an integer number (34047040500).

Almost surely, 2^561506411624 is an apocalyptic number.

It is an amenable number.

561506411624 is a deficient number, since it is larger than the sum of its proper divisors (527998884376).

561506411624 is a wasteful number, since it uses less digits than its factorization.

561506411624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836657 (or 836653 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 561506411624 in words is "five hundred sixty-one billion, five hundred six million, four hundred eleven thousand, six hundred twenty-four".