79159238911 has 4 divisors (see below), whose sum is σ = 79160959872. Its totient is φ = 79157517952.

The previous prime is 79159238909. The next prime is 79159238929. The reversal of 79159238911 is 11983295197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11983295197 = 157 ⋅76326721.

It is a cyclic number.

It is not a de Polignac number, because 79159238911 - 2¹ = 79159238909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79159278911) 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, 789535 + ... + 884128.

It is an arithmetic number, because the mean of its divisors is an integer number (19790239968).

Almost surely, 2^79159238911 is an apocalyptic number.

79159238911 is a deficient number, since it is larger than the sum of its proper divisors (1720961).

79159238911 is a wasteful number, since it uses less digits than its factorization.

79159238911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720960.

The product of its digits is 1224720, while the sum is 55.

The spelling of 79159238911 in words is "seventy-nine billion, one hundred fifty-nine million, two hundred thirty-eight thousand, nine hundred eleven".