112808806920 has 80 divisors (see below), whose sum is σ = 379162945260. Its totient is φ = 30082347648.

The previous prime is 112808806919. The next prime is 112808806931. The reversal of 112808806920 is 29608808211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105127686756 + 7681120164 = 324234^2 + 87642^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 19 ways as a sum of consecutive naturals, for example, 17405527 + ... + 17412006.

Almost surely, 2^112808806920 is an apocalyptic number.

112808806920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112808806920 is an abundant number, since it is smaller than the sum of its proper divisors (266354138340).

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

112808806920 is a wasteful number, since it uses less digits than its factorization.

112808806920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34817556 (or 34817543 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 112808806920 in words is "one hundred twelve billion, eight hundred eight million, eight hundred six thousand, nine hundred twenty".