112179918911 has 2 divisors, whose sum is σ = 112179918912. Its totient is φ = 112179918910.

The previous prime is 112179918881. The next prime is 112179918913. The reversal of 112179918911 is 119819971211.

It is a strong prime.

It is an emirp because it is prime and its reverse (119819971211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112179918911 is a prime.

Together with 112179918913, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112179918911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112179918913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56089959455 + 56089959456.

It is an arithmetic number, because the mean of its divisors is an integer number (56089959456).

Almost surely, 2^112179918911 is an apocalyptic number.

112179918911 is a deficient number, since it is larger than the sum of its proper divisors (1).

112179918911 is an equidigital number, since it uses as much as digits as its factorization.

112179918911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 50.

The spelling of 112179918911 in words is "one hundred twelve billion, one hundred seventy-nine million, nine hundred eighteen thousand, nine hundred eleven".