561265112 has 16 divisors (see below), whose sum is σ = 1070209800. Its totient is φ = 275875840.

The previous prime is 561265069. The next prime is 561265129. The reversal of 561265112 is 211562165.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594089 + ... + 595032.

Almost surely, 2^561265112 is an apocalyptic number.

It is an amenable number.

561265112 is a deficient number, since it is larger than the sum of its proper divisors (508944688).

561265112 is a wasteful number, since it uses less digits than its factorization.

561265112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189186 (or 1189182 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 561265112 is about 23691.0344223295. The cubic root of 561265112 is about 824.8772940245.

The spelling of 561265112 in words is "five hundred sixty-one million, two hundred sixty-five thousand, one hundred twelve".