79018499111 has 4 divisors (see below), whose sum is σ = 79088863992. Its totient is φ = 78948134232.

The previous prime is 79018499101. The next prime is 79018499113. The reversal of 79018499111 is 11199481097.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79018499111 - 2¹⁸ = 79018236967 is a prime.

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 79018499111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79018499113) 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, 35180756 + ... + 35183001.

It is an arithmetic number, because the mean of its divisors is an integer number (19772215998).

Almost surely, 2^79018499111 is an apocalyptic number.

79018499111 is a deficient number, since it is larger than the sum of its proper divisors (70364881).

79018499111 is a wasteful number, since it uses less digits than its factorization.

79018499111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70364880.

The product of its (nonzero) digits is 163296, while the sum is 50.

The spelling of 79018499111 in words is "seventy-nine billion, eighteen million, four hundred ninety-nine thousand, one hundred eleven".