17145888901 has 2 divisors, whose sum is σ = 17145888902. Its totient is φ = 17145888900.

The previous prime is 17145888853. The next prime is 17145888937. The reversal of 17145888901 is 10988854171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17053748100 + 92140801 = 130590^2 + 9599^2 .

It is a cyclic number.

It is not a de Polignac number, because 17145888901 - 2¹³ = 17145880709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17145888961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8572944450 + 8572944451.

It is an arithmetic number, because the mean of its divisors is an integer number (8572944451).

Almost surely, 2^17145888901 is an apocalyptic number.

It is an amenable number.

17145888901 is a deficient number, since it is larger than the sum of its proper divisors (1).

17145888901 is an equidigital number, since it uses as much as digits as its factorization.

17145888901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 52.

The spelling of 17145888901 in words is "seventeen billion, one hundred forty-five million, eight hundred eighty-eight thousand, nine hundred one".