79120112111 has 4 divisors (see below), whose sum is σ = 81672373824. Its totient is φ = 76567850400.

The previous prime is 79120112077. The next prime is 79120112119. The reversal of 79120112111 is 11121102197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11121102197 = 2887 ⋅3852131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79120112111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79120112119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276130810 + ... + 1276130871.

It is an arithmetic number, because the mean of its divisors is an integer number (20418093456).

Almost surely, 2^79120112111 is an apocalyptic number.

79120112111 is a deficient number, since it is larger than the sum of its proper divisors (2552261713).

79120112111 is a wasteful number, since it uses less digits than its factorization.

79120112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552261712.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 79120112111 in words is "seventy-nine billion, one hundred twenty million, one hundred twelve thousand, one hundred eleven".