110987120856 has 128 divisors (see below), whose sum is σ = 298156723200. Its totient is φ = 34303825920.

The previous prime is 110987120851. The next prime is 110987120857. The reversal of 110987120856 is 658021789011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110987120851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15822406 + ... + 15829418.

It is an arithmetic number, because the mean of its divisors is an integer number (2329349400).

Almost surely, 2^110987120856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110987120856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149078361600).

110987120856 is an abundant number, since it is smaller than the sum of its proper divisors (187169602344).

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

110987120856 is a wasteful number, since it uses less digits than its factorization.

110987120856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609 (or 7605 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 110987120856 in words is "one hundred ten billion, nine hundred eighty-seven million, one hundred twenty thousand, eight hundred fifty-six".