112857142788 has 144 divisors (see below), whose sum is σ = 321058273536. Its totient is φ = 33195778560.

The previous prime is 112857142759. The next prime is 112857142807. The reversal of 112857142788 is 887241758211.

112857142788 is a `hidden beast` number, since 1 + 1 + 28 + 571 + 42 + 7 + 8 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 886168 + ... + 1005488.

It is an arithmetic number, because the mean of its divisors is an integer number (2229571344).

Almost surely, 2^112857142788 is an apocalyptic number.

112857142788 is a gapful number since it is divisible by the number (18) 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 112857142788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160529136768).

112857142788 is an abundant number, since it is smaller than the sum of its proper divisors (208201130748).

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

112857142788 is a wasteful number, since it uses less digits than its factorization.

112857142788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119434 (or 119429 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 54.

The spelling of 112857142788 in words is "one hundred twelve billion, eight hundred fifty-seven million, one hundred forty-two thousand, seven hundred eighty-eight".