17052342121 has 2 divisors, whose sum is σ = 17052342122. Its totient is φ = 17052342120.

The previous prime is 17052342119. The next prime is 17052342149. The reversal of 17052342121 is 12124325071.

It is an a-pointer prime, because the next prime (17052342149) can be obtained adding 17052342121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8809699600 + 8242642521 = 93860^2 + 90789^2 .

It is an emirp because it is prime and its reverse (12124325071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17052342121 - 2¹ = 17052342119 is a prime.

Together with 17052342119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 17052342121.

It is not a weakly prime, because it can be changed into another prime (17052342161) 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, 8526171060 + 8526171061.

It is an arithmetic number, because the mean of its divisors is an integer number (8526171061).

Almost surely, 2^17052342121 is an apocalyptic number.

It is an amenable number.

17052342121 is a deficient number, since it is larger than the sum of its proper divisors (1).

17052342121 is an equidigital number, since it uses as much as digits as its factorization.

17052342121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 17052342121 its reverse (12124325071), we get a palindrome (29176667192).

The spelling of 17052342121 in words is "seventeen billion, fifty-two million, three hundred forty-two thousand, one hundred twenty-one".