79541226505 has 12 divisors (see below), whose sum is σ = 103356529740. Its totient is φ = 58738135872.

The previous prime is 79541226497. The next prime is 79541226511. The reversal of 79541226505 is 50562214597.

It can be written as a sum of positive squares in 6 ways, for example, as 32116582521 + 47424643984 = 179211^2 + 217772^2 .

It is not a de Polignac number, because 79541226505 - 2³ = 79541226497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47064970 + ... + 47066659.

It is an arithmetic number, because the mean of its divisors is an integer number (8613044145).

Almost surely, 2^79541226505 is an apocalyptic number.

It is an amenable number.

79541226505 is a deficient number, since it is larger than the sum of its proper divisors (23815303235).

79541226505 is a wasteful number, since it uses less digits than its factorization.

79541226505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94131660 (or 94131647 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 79541226505 in words is "seventy-nine billion, five hundred forty-one million, two hundred twenty-six thousand, five hundred five".