113279199939 has 24 divisors (see below), whose sum is σ = 163911524400. Its totient is φ = 75387578688.

The previous prime is 113279199893. The next prime is 113279199941. The reversal of 113279199939 is 939991972311.

It is not a de Polignac number, because 113279199939 - 2¹³ = 113279191747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113279199949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16298037 + ... + 16304985.

It is an arithmetic number, because the mean of its divisors is an integer number (6829646850).

Almost surely, 2^113279199939 is an apocalyptic number.

113279199939 is a deficient number, since it is larger than the sum of its proper divisors (50632324461).

113279199939 is a wasteful number, since it uses less digits than its factorization.

113279199939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859 (or 9856 counting only the distinct ones).

The product of its digits is 7440174, while the sum is 63.

The spelling of 113279199939 in words is "one hundred thirteen billion, two hundred seventy-nine million, one hundred ninety-nine thousand, nine hundred thirty-nine".