1123444102289 has 2 divisors, whose sum is σ = 1123444102290. Its totient is φ = 1123444102288.

The previous prime is 1123444102219. The next prime is 1123444102393. The reversal of 1123444102289 is 9822014443211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114080250000 + 9363852289 = 1055500^2 + 96767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123444102289 - 2²⁰ = 1123443053713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123444102219) 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, 561722051144 + 561722051145.

It is an arithmetic number, because the mean of its divisors is an integer number (561722051145).

Almost surely, 2^{1123444102289} is an apocalyptic number.

It is an amenable number.

1123444102289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123444102289 is an equidigital number, since it uses as much as digits as its factorization.

1123444102289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 1123444102289 in words is "one trillion, one hundred twenty-three billion, four hundred forty-four million, one hundred two thousand, two hundred eighty-nine".