65560661112 has 32 divisors (see below), whose sum is σ = 164145232080. Its totient is φ = 21821076480.

The previous prime is 65560661093. The next prime is 65560661129. The reversal of 65560661112 is 21116606556.

65560661112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2013339 + ... + 2045642.

Almost surely, 2^65560661112 is an apocalyptic number.

It is an amenable number.

65560661112 is an abundant number, since it is smaller than the sum of its proper divisors (98584570968).

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

65560661112 is a wasteful number, since it uses less digits than its factorization.

65560661112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059663 (or 4059659 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 65560661112 in words is "sixty-five billion, five hundred sixty million, six hundred sixty-one thousand, one hundred twelve".