79581111118597 has 8 divisors (see below), whose sum is σ = 86815950306912. Its totient is φ = 72346304050800.

The previous prime is 79581111118571. The next prime is 79581111118609.

79581111118597 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79581111118597 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 (79581111118567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695654 + ... + 12900727.

It is an arithmetic number, because the mean of its divisors is an integer number (10851993788364).

Almost surely, 2^{79581111118597} is an apocalyptic number.

It is an amenable number.

79581111118597 is a deficient number, since it is larger than the sum of its proper divisors (7234839188315).

79581111118597 is a wasteful number, since it uses less digits than its factorization.

79581111118597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060259.

The product of its digits is 6350400, while the sum is 64.

The spelling of 79581111118597 in words is "seventy-nine trillion, five hundred eighty-one billion, one hundred eleven million, one hundred eighteen thousand, five hundred ninety-seven".