1112879819520 has 1728 divisors, whose sum is σ = 4844794106880. Its totient is φ = 230183534592.

The previous prime is 1112879819489. The next prime is 1112879819563. The reversal of 1112879819520 is 259189782111.

It is a happy number.

1112879819520 is a `hidden beast` number, since 1 + 1 + 1 + 28 + 7 + 98 + 1 + 9 + 520 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3798224494 + ... + 3798224786.

Almost surely, 2^{1112879819520} is an apocalyptic number.

1112879819520 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 1112879819520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422397053440).

1112879819520 is an abundant number, since it is smaller than the sum of its proper divisors (3731914287360).

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

1112879819520 is a wasteful number, since it uses less digits than its factorization.

1112879819520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 54.

The spelling of 1112879819520 in words is "one trillion, one hundred twelve billion, eight hundred seventy-nine million, eight hundred nineteen thousand, five hundred twenty".