112671718939 has 4 divisors (see below), whose sum is σ = 121338774256. Its totient is φ = 104004663624.

The previous prime is 112671718927. The next prime is 112671718997. The reversal of 112671718939 is 939817176211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112671718939 is a prime.

It is a super-2 number, since 2×112671718939² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112671718939.

It is not an unprimeable number, because it can be changed into a prime (112671718139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4333527639 + ... + 4333527664.

It is an arithmetic number, because the mean of its divisors is an integer number (30334693564).

Almost surely, 2^112671718939 is an apocalyptic number.

112671718939 is a deficient number, since it is larger than the sum of its proper divisors (8667055317).

112671718939 is an equidigital number, since it uses as much as digits as its factorization.

112671718939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667055316.

The product of its digits is 1143072, while the sum is 55.

The spelling of 112671718939 in words is "one hundred twelve billion, six hundred seventy-one million, seven hundred eighteen thousand, nine hundred thirty-nine".