112578950909 has 4 divisors (see below), whose sum is σ = 112592938716. Its totient is φ = 112564963104.

The previous prime is 112578950873. The next prime is 112578950933. The reversal of 112578950909 is 909059875211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 909059875211 = 83 ⋅10952528617.

It can be written as a sum of positive squares in 2 ways, for example, as 71094223225 + 41484727684 = 266635^2 + 203678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112578950909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112578950969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6981824 + ... + 6997929.

It is an arithmetic number, because the mean of its divisors is an integer number (28148234679).

Almost surely, 2^112578950909 is an apocalyptic number.

It is an amenable number.

112578950909 is a deficient number, since it is larger than the sum of its proper divisors (13987807).

112578950909 is an equidigital number, since it uses as much as digits as its factorization.

112578950909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13987806.

The product of its (nonzero) digits is 2041200, while the sum is 56.

The spelling of 112578950909 in words is "one hundred twelve billion, five hundred seventy-eight million, nine hundred fifty thousand, nine hundred nine".