112116805 has 4 divisors (see below), whose sum is σ = 134540172. Its totient is φ = 89693440.

The previous prime is 112116803. The next prime is 112116821. The reversal of 112116805 is 508611211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508611211 = 59 ⋅8620529.

It can be written as a sum of positive squares in 2 ways, for example, as 88623396 + 23493409 = 9414^2 + 4847^2 .

It is not a de Polignac number, because 112116805 - 2¹ = 112116803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112116805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112116803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11211676 + ... + 11211685.

It is an arithmetic number, because the mean of its divisors is an integer number (33635043).

Almost surely, 2^112116805 is an apocalyptic number.

It is an amenable number.

112116805 is a deficient number, since it is larger than the sum of its proper divisors (22423367).

112116805 is an equidigital number, since it uses as much as digits as its factorization.

112116805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22423366.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 112116805 is about 10588.5223237239. The cubic root of 112116805 is about 482.1959640607.

The spelling of 112116805 in words is "one hundred twelve million, one hundred sixteen thousand, eight hundred five".