110561565056 has 64 divisors (see below), whose sum is σ = 221683862400. Its totient is φ = 54923857920.

The previous prime is 110561564957. The next prime is 110561565083. The reversal of 110561565056 is 650565165011.

It is a tau number, because it is divible by the number of its divisors (64).

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, 40751156 + ... + 40753868.

It is an arithmetic number, because the mean of its divisors is an integer number (3463810350).

Almost surely, 2^110561565056 is an apocalyptic number.

110561565056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110561565056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110841931200).

110561565056 is an abundant number, since it is smaller than the sum of its proper divisors (111122297344).

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

110561565056 is a wasteful number, since it uses less digits than its factorization.

110561565056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 110561565056 in words is "one hundred ten billion, five hundred sixty-one million, five hundred sixty-five thousand, fifty-six".