79999011101 has 4 divisors (see below), whose sum is σ = 80001388032. Its totient is φ = 79996634172.

The previous prime is 79999011083. The next prime is 79999011109. The reversal of 79999011101 is 10111099997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79999011101 - 2¹⁸ = 79998748957 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 (79999011109) 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, 1137245 + ... + 1205538.

It is an arithmetic number, because the mean of its divisors is an integer number (20000347008).

Almost surely, 2^79999011101 is an apocalyptic number.

It is an amenable number.

79999011101 is a deficient number, since it is larger than the sum of its proper divisors (2376931).

79999011101 is a wasteful number, since it uses less digits than its factorization.

79999011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376930.

The product of its (nonzero) digits is 45927, while the sum is 47.

The spelling of 79999011101 in words is "seventy-nine billion, nine hundred ninety-nine million, eleven thousand, one hundred one".