1109996827717 has 2 divisors, whose sum is σ = 1109996827718. Its totient is φ = 1109996827716.

The previous prime is 1109996827669. The next prime is 1109996827747. The reversal of 1109996827717 is 7177286999011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092581010756 + 17415816961 = 1045266^2 + 131969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109996827717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109996827747) 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, 554998413858 + 554998413859.

It is an arithmetic number, because the mean of its divisors is an integer number (554998413859).

Almost surely, 2^{1109996827717} is an apocalyptic number.

It is an amenable number.

1109996827717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109996827717 is an equidigital number, since it uses as much as digits as its factorization.

1109996827717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24004512, while the sum is 67.

The spelling of 1109996827717 in words is "one trillion, one hundred nine billion, nine hundred ninety-six million, eight hundred twenty-seven thousand, seven hundred seventeen".