110561105500 has 96 divisors (see below), whose sum is σ = 247463536320. Its totient is φ = 43129094400.

The previous prime is 110561105471. The next prime is 110561105513. The reversal of 110561105500 is 5501165011.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15239874 + ... + 15247126.

It is an arithmetic number, because the mean of its divisors is an integer number (2577745170).

Almost surely, 2^110561105500 is an apocalyptic number.

110561105500 is a gapful number since it is divisible by the number (10) 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 110561105500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123731768160).

110561105500 is an abundant number, since it is smaller than the sum of its proper divisors (136902430820).

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

110561105500 is a wasteful number, since it uses less digits than its factorization.

110561105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024 (or 8012 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 110561105500 in words is "one hundred ten billion, five hundred sixty-one million, one hundred five thousand, five hundred".