561116650424 has 32 divisors (see below), whose sum is σ = 1147773164400. Its totient is φ = 255045342720.

The previous prime is 561116650397. The next prime is 561116650459. The reversal of 561116650424 is 424056611165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683744 + ... + 3833040.

Almost surely, 2^561116650424 is an apocalyptic number.

It is an amenable number.

561116650424 is an abundant number, since it is smaller than the sum of its proper divisors (586656513976).

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

561116650424 is a wasteful number, since it uses less digits than its factorization.

561116650424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192023 (or 192019 counting only the distinct ones).

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

The spelling of 561116650424 in words is "five hundred sixty-one billion, one hundred sixteen million, six hundred fifty thousand, four hundred twenty-four".