113445646218 has 24 divisors (see below), whose sum is σ = 246188463456. Its totient is φ = 37755282600.

The previous prime is 113445646211. The next prime is 113445646229. The reversal of 113445646218 is 812646544311.

113445646218 is a `hidden beast` number, since 1 + 1 + 344 + 56 + 46 + 218 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113445646211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4982728 + ... + 5005443.

It is an arithmetic number, because the mean of its divisors is an integer number (10257852644).

Almost surely, 2^113445646218 is an apocalyptic number.

113445646218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113445646218 is an abundant number, since it is smaller than the sum of its proper divisors (132742817238).

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

113445646218 is a wasteful number, since it uses less digits than its factorization.

113445646218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988810 (or 9988807 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 113445646218 in words is "one hundred thirteen billion, four hundred forty-five million, six hundred forty-six thousand, two hundred eighteen".