113699999988 has 36 divisors (see below), whose sum is σ = 288261207780. Its totient is φ = 37787533056.

The previous prime is 113699999983. The next prime is 113699999989. The reversal of 113699999988 is 889999996311.

113699999988 is a `hidden beast` number, since 1 + 1 + 369 + 9 + 99 + 99 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60817478544 + 52882521444 = 246612^2 + 229962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113699999983) 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 11 ways as a sum of consecutive naturals, for example, 4673823 + ... + 4698086.

Almost surely, 2^113699999988 is an apocalyptic number.

113699999988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

113699999988 is an abundant number, since it is smaller than the sum of its proper divisors (174561207792).

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

113699999988 is a wasteful number, since it uses less digits than its factorization.

113699999988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372256 (or 9372251 counting only the distinct ones).

The product of its digits is 612220032, while the sum is 81.

The spelling of 113699999988 in words is "one hundred thirteen billion, six hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-eight".