11321422288409 has 2 divisors, whose sum is σ = 11321422288410. Its totient is φ = 11321422288408.

The previous prime is 11321422288381. The next prime is 11321422288427. The reversal of 11321422288409 is 90488222412311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8491087118809 + 2830335169600 = 2913947^2 + 1682360^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321422288409 - 2⁸ = 11321422288153 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321422288109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660711144204 + 5660711144205.

It is an arithmetic number, because the mean of its divisors is an integer number (5660711144205).

Almost surely, 2^{11321422288409} is an apocalyptic number.

It is an amenable number.

11321422288409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321422288409 is an equidigital number, since it uses as much as digits as its factorization.

11321422288409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 11321422288409 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-two million, two hundred eighty-eight thousand, four hundred nine".