79999120011011 has 4 divisors (see below), whose sum is σ = 84704950599912. Its totient is φ = 75293289422112.

The previous prime is 79999120010969. The next prime is 79999120011023. The reversal of 79999120011011 is 11011002199997.

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 79999120011011 - 2³⁴ = 79981940141827 is a prime.

It is a super-2 number, since 2×79999120011011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79999123011011) 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, 2352915294425 + ... + 2352915294458.

It is an arithmetic number, because the mean of its divisors is an integer number (21176237649978).

Almost surely, 2^{79999120011011} is an apocalyptic number.

79999120011011 is a deficient number, since it is larger than the sum of its proper divisors (4705830588901).

79999120011011 is a wasteful number, since it uses less digits than its factorization.

79999120011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705830588900.

The product of its (nonzero) digits is 91854, while the sum is 50.

The spelling of 79999120011011 in words is "seventy-nine trillion, nine hundred ninety-nine billion, one hundred twenty million, eleven thousand, eleven".