171111000001079 has 2 divisors, whose sum is σ = 171111000001080. Its totient is φ = 171111000001078.

The previous prime is 171111000001057. The next prime is 171111000001127. The reversal of 171111000001079 is 970100000111171.

It is a weak prime.

It is an emirp because it is prime and its reverse (970100000111171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171111000001079 - 2⁸ = 171111000000823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171111000001379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85555500000539 + 85555500000540.

It is an arithmetic number, because the mean of its divisors is an integer number (85555500000540).

Almost surely, 2^{171111000001079} is an apocalyptic number.

171111000001079 is a deficient number, since it is larger than the sum of its proper divisors (1).

171111000001079 is an equidigital number, since it uses as much as digits as its factorization.

171111000001079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441, while the sum is 29.

The spelling of 171111000001079 in words is "one hundred seventy-one trillion, one hundred eleven billion, one thousand, seventy-nine".