17156041109 has 2 divisors, whose sum is σ = 17156041110. Its totient is φ = 17156041108.

The previous prime is 17156041069. The next prime is 17156041151. The reversal of 17156041109 is 90114065171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17153140900 + 2900209 = 130970^2 + 1703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17156041109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17156043109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8578020554 + 8578020555.

It is an arithmetic number, because the mean of its divisors is an integer number (8578020555).

Almost surely, 2^17156041109 is an apocalyptic number.

It is an amenable number.

17156041109 is a deficient number, since it is larger than the sum of its proper divisors (1).

17156041109 is an equidigital number, since it uses as much as digits as its factorization.

17156041109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 17156041109 in words is "seventeen billion, one hundred fifty-six million, forty-one thousand, one hundred nine".