113647789899 has 18 divisors (see below), whose sum is σ = 190959212340. Its totient is φ = 64941593976.

The previous prime is 113647789891. The next prime is 113647789907. The reversal of 113647789899 is 998987746311.

It is an interprime number because it is at equal distance from previous prime (113647789891) and next prime (113647789907).

It is not a de Polignac number, because 113647789899 - 2³ = 113647789891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113647789891) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 128851929 + ... + 128852810.

It is an arithmetic number, because the mean of its divisors is an integer number (10608845130).

Almost surely, 2^113647789899 is an apocalyptic number.

113647789899 is a deficient number, since it is larger than the sum of its proper divisors (77311422441).

113647789899 is a wasteful number, since it uses less digits than its factorization.

113647789899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257704759 (or 257704749 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 72.

The spelling of 113647789899 in words is "one hundred thirteen billion, six hundred forty-seven million, seven hundred eighty-nine thousand, eight hundred ninety-nine".