112808155 has 4 divisors (see below), whose sum is σ = 135369792. Its totient is φ = 90246520.

The previous prime is 112808147. The next prime is 112808159. The reversal of 112808155 is 551808211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551808211 = 13799 ⋅39989.

It is not a de Polignac number, because 112808155 - 2³ = 112808147 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112808159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11280811 + ... + 11280820.

It is an arithmetic number, because the mean of its divisors is an integer number (33842448).

Almost surely, 2^112808155 is an apocalyptic number.

112808155 is a deficient number, since it is larger than the sum of its proper divisors (22561637).

112808155 is an equidigital number, since it uses as much as digits as its factorization.

112808155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22561636.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 112808155 is about 10621.1183497784. The cubic root of 112808155 is about 483.1850614027.

The spelling of 112808155 in words is "one hundred twelve million, eight hundred eight thousand, one hundred fifty-five".