111187080000 has 1120 divisors, whose sum is σ = 437248035840. Its totient is φ = 27993600000.

The previous prime is 111187079957. The next prime is 111187080049. The reversal of 111187080000 is 80781111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2711879980 + ... + 2711880020.

It is an arithmetic number, because the mean of its divisors is an integer number (390400032).

Almost surely, 2^111187080000 is an apocalyptic number.

111187080000 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 111187080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218624017920).

111187080000 is an abundant number, since it is smaller than the sum of its proper divisors (326060955840).

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

111187080000 is an frugal number, since it uses more digits than its factorization.

111187080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

The spelling of 111187080000 in words is "one hundred eleven billion, one hundred eighty-seven million, eighty thousand".