112840475905 has 4 divisors (see below), whose sum is σ = 135408571092. Its totient is φ = 90272380720.

The previous prime is 112840475893. The next prime is 112840475911. The reversal of 112840475905 is 509574048211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509574048211 = 593 ⋅859315427.

It can be written as a sum of positive squares in 2 ways, for example, as 19490672881 + 93349803024 = 139609^2 + 305532^2 .

It is not a de Polignac number, because 112840475905 - 2⁵ = 112840475873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 11284047586 + ... + 11284047595.

It is an arithmetic number, because the mean of its divisors is an integer number (33852142773).

Almost surely, 2^112840475905 is an apocalyptic number.

It is an amenable number.

112840475905 is a deficient number, since it is larger than the sum of its proper divisors (22568095187).

112840475905 is an equidigital number, since it uses as much as digits as its factorization.

112840475905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22568095186.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 112840475905 in words is "one hundred twelve billion, eight hundred forty million, four hundred seventy-five thousand, nine hundred five".