11117845562209 has 2 divisors, whose sum is σ = 11117845562210. Its totient is φ = 11117845562208.

The previous prime is 11117845562149. The next prime is 11117845562287. The reversal of 11117845562209 is 90226554871111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9829654611984 + 1288190950225 = 3135228^2 + 1134985^2 .

It is a cyclic number.

It is not a de Polignac number, because 11117845562209 - 2¹¹ = 11117845560161 is a prime.

It is not a weakly prime, because it can be changed into another prime (11117845566209) 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, 5558922781104 + 5558922781105.

It is an arithmetic number, because the mean of its divisors is an integer number (5558922781105).

Almost surely, 2^{11117845562209} is an apocalyptic number.

It is an amenable number.

11117845562209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11117845562209 is an equidigital number, since it uses as much as digits as its factorization.

11117845562209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 52.

The spelling of 11117845562209 in words is "eleven trillion, one hundred seventeen billion, eight hundred forty-five million, five hundred sixty-two thousand, two hundred nine".