79112131161575 has 24 divisors (see below), whose sum is σ = 105459217201920. Its totient is φ = 58682951474400.

The previous prime is 79112131161523. The next prime is 79112131161619. The reversal of 79112131161575 is 57516113121197.

It is not a de Polignac number, because 79112131161575 - 2²⁰ = 79112130112999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771805921 + ... + 1771850570.

It is an arithmetic number, because the mean of its divisors is an integer number (4394134050080).

Almost surely, 2^{79112131161575} is an apocalyptic number.

79112131161575 is a deficient number, since it is larger than the sum of its proper divisors (26347086040345).

79112131161575 is a wasteful number, since it uses less digits than its factorization.

79112131161575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543656567 (or 3543656562 counting only the distinct ones).

The product of its digits is 396900, while the sum is 50.

The spelling of 79112131161575 in words is "seventy-nine trillion, one hundred twelve billion, one hundred thirty-one million, one hundred sixty-one thousand, five hundred seventy-five".