113581838929 has 16 divisors (see below), whose sum is σ = 128493792000. Its totient is φ = 99613204416.

The previous prime is 113581838879. The next prime is 113581838941. The reversal of 113581838929 is 929838185311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113581838929 - 2⁷ = 113581838801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113581838969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230189 + ... + 1319290.

It is an arithmetic number, because the mean of its divisors is an integer number (8030862000).

Almost surely, 2^113581838929 is an apocalyptic number.

It is an amenable number.

113581838929 is a deficient number, since it is larger than the sum of its proper divisors (14911953071).

113581838929 is a wasteful number, since it uses less digits than its factorization.

113581838929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549664.

The product of its digits is 3732480, while the sum is 58.

The spelling of 113581838929 in words is "one hundred thirteen billion, five hundred eighty-one million, eight hundred thirty-eight thousand, nine hundred twenty-nine".