79144853886011 has 4 divisors (see below), whose sum is σ = 79182559869000. Its totient is φ = 79107147903024.

The previous prime is 79144853885987. The next prime is 79144853886017. The reversal of 79144853886011 is 11068835844197.

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 79144853886011 - 2¹⁸ = 79144853623867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79144853886017) 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, 18852988346 + ... + 18852992543.

It is an arithmetic number, because the mean of its divisors is an integer number (19795639967250).

Almost surely, 2^{79144853886011} is an apocalyptic number.

79144853886011 is a deficient number, since it is larger than the sum of its proper divisors (37705982989).

79144853886011 is a wasteful number, since it uses less digits than its factorization.

79144853886011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37705982988.

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 79144853886011 in words is "seventy-nine trillion, one hundred forty-four billion, eight hundred fifty-three million, eight hundred eighty-six thousand, eleven".