17155471271 has 2 divisors, whose sum is σ = 17155471272. Its totient is φ = 17155471270.

The previous prime is 17155471243. The next prime is 17155471283. The reversal of 17155471271 is 17217455171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17155471271 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 (17155471231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8577735635 + 8577735636.

It is an arithmetic number, because the mean of its divisors is an integer number (8577735636).

Almost surely, 2^17155471271 is an apocalyptic number.

17155471271 is a deficient number, since it is larger than the sum of its proper divisors (1).

17155471271 is an equidigital number, since it uses as much as digits as its factorization.

17155471271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68600, while the sum is 41.

The spelling of 17155471271 in words is "seventeen billion, one hundred fifty-five million, four hundred seventy-one thousand, two hundred seventy-one".