17611120213 has 2 divisors, whose sum is σ = 17611120214. Its totient is φ = 17611120212.

The previous prime is 17611120187. The next prime is 17611120253. The reversal of 17611120213 is 31202111671.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13905598084 + 3705522129 = 117922^2 + 60873^2 .

It is a cyclic number.

It is not a de Polignac number, because 17611120213 - 2¹³ = 17611112021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17611120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8805560106 + 8805560107.

It is an arithmetic number, because the mean of its divisors is an integer number (8805560107).

Almost surely, 2^17611120213 is an apocalyptic number.

It is an amenable number.

17611120213 is a deficient number, since it is larger than the sum of its proper divisors (1).

17611120213 is an equidigital number, since it uses as much as digits as its factorization.

17611120213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 17611120213 its reverse (31202111671), we get a palindrome (48813231884).

The spelling of 17611120213 in words is "seventeen billion, six hundred eleven million, one hundred twenty thousand, two hundred thirteen".