11122344445691 has 2 divisors, whose sum is σ = 11122344445692. Its totient is φ = 11122344445690.

The previous prime is 11122344445673. The next prime is 11122344445699. The reversal of 11122344445691 is 19654444322111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11122344445691 - 2⁶ = 11122344445627 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122344445699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561172222845 + 5561172222846.

It is an arithmetic number, because the mean of its divisors is an integer number (5561172222846).

Almost surely, 2^{11122344445691} is an apocalyptic number.

11122344445691 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122344445691 is an equidigital number, since it uses as much as digits as its factorization.

11122344445691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The spelling of 11122344445691 in words is "eleven trillion, one hundred twenty-two billion, three hundred forty-four million, four hundred forty-five thousand, six hundred ninety-one".