11162222609 has 2 divisors, whose sum is σ = 11162222610. Its totient is φ = 11162222608.

The previous prime is 11162222597. The next prime is 11162222611. The reversal of 11162222609 is 90622226111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10670270209 + 491952400 = 103297^2 + 22180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11162222609 is a prime.

Together with 11162222611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11162222509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581111304 + 5581111305.

It is an arithmetic number, because the mean of its divisors is an integer number (5581111305).

Almost surely, 2^11162222609 is an apocalyptic number.

It is an amenable number.

11162222609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11162222609 is an equidigital number, since it uses as much as digits as its factorization.

11162222609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11162222609 in words is "eleven billion, one hundred sixty-two million, two hundred twenty-two thousand, six hundred nine".