112811989888 has 384 divisors, whose sum is σ = 272256768000. Its totient is φ = 46128476160.

The previous prime is 112811989877. The next prime is 112811989889. The reversal of 112811989888 is 888989118211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112811989889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1427999833 + ... + 1427999911.

It is an arithmetic number, because the mean of its divisors is an integer number (709002000).

Almost surely, 2^112811989888 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 112811989888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136128384000).

112811989888 is an abundant number, since it is smaller than the sum of its proper divisors (159444778112).

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

112811989888 is a wasteful number, since it uses less digits than its factorization.

112811989888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 191 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 64.

The spelling of 112811989888 in words is "one hundred twelve billion, eight hundred eleven million, nine hundred eighty-nine thousand, eight hundred eighty-eight".