1112276541978 has 96 divisors (see below), whose sum is σ = 2784102572160. Its totient is φ = 314347530240.

The previous prime is 1112276541947. The next prime is 1112276542033. The reversal of 1112276541978 is 8791456722111.

1112276541978 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 7 + 6 + 541 + 97 + 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, 23577118 + ... + 23624246.

It is an arithmetic number, because the mean of its divisors is an integer number (29001068460).

Almost surely, 2^{1112276541978} is an apocalyptic number.

1112276541978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112276541978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392051286080).

1112276541978 is an abundant number, since it is smaller than the sum of its proper divisors (1671826030182).

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

1112276541978 is a wasteful number, since it uses less digits than its factorization.

1112276541978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49172 (or 49169 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 54.

The spelling of 1112276541978 in words is "one trillion, one hundred twelve billion, two hundred seventy-six million, five hundred forty-one thousand, nine hundred seventy-eight".