1112819568 has 80 divisors (see below), whose sum is σ = 3290908416. Its totient is φ = 317422080.

The previous prime is 1112819563. The next prime is 1112819579. The reversal of 1112819568 is 8659182111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112819563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229780 + ... + 234572.

Almost surely, 2^1112819568 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 1112819568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645454208).

1112819568 is an abundant number, since it is smaller than the sum of its proper divisors (2178088848).

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

1112819568 is a wasteful number, since it uses less digits than its factorization.

1112819568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5496 counting only the distinct ones).

The product of its digits is 34560, while the sum is 42.

The square root of 1112819568 is about 33358.9503431987. The cubic root of 1112819568 is about 1036.2747540775.

The spelling of 1112819568 in words is "one billion, one hundred twelve million, eight hundred nineteen thousand, five hundred sixty-eight".