112115522142 has 128 divisors (see below), whose sum is σ = 270955843200. Its totient is φ = 34158578688.

The previous prime is 112115522111. The next prime is 112115522191. The reversal of 112115522142 is 241225511211.

112115522142 is a `hidden beast` number, since 1 + 12 + 115 + 522 + 14 + 2 = 666.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34936234 + ... + 34939442.

It is an arithmetic number, because the mean of its divisors is an integer number (2116842525).

Almost surely, 2^112115522142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112115522142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135477921600).

112115522142 is an abundant number, since it is smaller than the sum of its proper divisors (158840321058).

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

112115522142 is a wasteful number, since it uses less digits than its factorization.

112115522142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707 (or 3701 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The spelling of 112115522142 in words is "one hundred twelve billion, one hundred fifteen million, five hundred twenty-two thousand, one hundred forty-two".