79131002110001 has 4 divisors (see below), whose sum is σ = 79307240422500. Its totient is φ = 78954763797504.

The previous prime is 79131002109977. The next prime is 79131002110019. The reversal of 79131002110001 is 10001120013197.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39607135296400 + 39523866813601 = 6293420^2 + 6286801^2 .

It is a cyclic number.

It is not a de Polignac number, because 79131002110001 - 2²⁶ = 79130935001137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79131002110091) 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, 88119155576 + ... + 88119156473.

It is an arithmetic number, because the mean of its divisors is an integer number (19826810105625).

Almost surely, 2^{79131002110001} is an apocalyptic number.

It is an amenable number.

79131002110001 is a deficient number, since it is larger than the sum of its proper divisors (176238312499).

79131002110001 is a wasteful number, since it uses less digits than its factorization.

79131002110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176238312498.

The product of its (nonzero) digits is 378, while the sum is 26.

Adding to 79131002110001 its reverse (10001120013197), we get a palindrome (89132122123198).

The spelling of 79131002110001 in words is "seventy-nine trillion, one hundred thirty-one billion, two million, one hundred ten thousand, one".