17135552257 has 2 divisors, whose sum is σ = 17135552258. Its totient is φ = 17135552256.

The previous prime is 17135552243. The next prime is 17135552261. The reversal of 17135552257 is 75225553171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16230505201 + 905047056 = 127399^2 + 30084^2 .

It is a cyclic number.

It is not a de Polignac number, because 17135552257 - 2¹⁹ = 17135027969 is a prime.

It is not a weakly prime, because it can be changed into another prime (17135552227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8567776128 + 8567776129.

It is an arithmetic number, because the mean of its divisors is an integer number (8567776129).

Almost surely, 2^17135552257 is an apocalyptic number.

It is an amenable number.

17135552257 is a deficient number, since it is larger than the sum of its proper divisors (1).

17135552257 is an equidigital number, since it uses as much as digits as its factorization.

17135552257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367500, while the sum is 43.

The spelling of 17135552257 in words is "seventeen billion, one hundred thirty-five million, five hundred fifty-two thousand, two hundred fifty-seven".