112345566678 has 64 divisors (see below), whose sum is σ = 271274035200. Its totient is φ = 34333100640.

The previous prime is 112345566677. The next prime is 112345566689. The reversal of 112345566678 is 876665543211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112345566677) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1734301 + ... + 1797912.

It is an arithmetic number, because the mean of its divisors is an integer number (4238656800).

Almost surely, 2^112345566678 is an apocalyptic number.

112345566678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

112345566678 is an abundant number, since it is smaller than the sum of its proper divisors (158928468522).

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

112345566678 is a wasteful number, since it uses less digits than its factorization.

112345566678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532274 (or 3532268 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 112345566678 in words is "one hundred twelve billion, three hundred forty-five million, five hundred sixty-six thousand, six hundred seventy-eight".