79111410971 has 2 divisors, whose sum is σ = 79111410972. Its totient is φ = 79111410970.

The previous prime is 79111410929. The next prime is 79111410977. The reversal of 79111410971 is 17901411197.

It is a strong prime.

It is an emirp because it is prime and its reverse (17901411197) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79111410971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (79111410977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39555705485 + 39555705486.

It is an arithmetic number, because the mean of its divisors is an integer number (39555705486).

Almost surely, 2^79111410971 is an apocalyptic number.

79111410971 is a deficient number, since it is larger than the sum of its proper divisors (1).

79111410971 is an equidigital number, since it uses as much as digits as its factorization.

79111410971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 41.

The spelling of 79111410971 in words is "seventy-nine billion, one hundred eleven million, four hundred ten thousand, nine hundred seventy-one".