11222444666687 has 2 divisors, whose sum is σ = 11222444666688. Its totient is φ = 11222444666686.

The previous prime is 11222444666663. The next prime is 11222444666707. The reversal of 11222444666687 is 78666644422211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11222444666687 - 2²⁴ = 11222427889471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222444669687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611222333343 + 5611222333344.

It is an arithmetic number, because the mean of its divisors is an integer number (5611222333344).

Almost surely, 2^{11222444666687} is an apocalyptic number.

11222444666687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222444666687 is an equidigital number, since it uses as much as digits as its factorization.

11222444666687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37158912, while the sum is 59.

The spelling of 11222444666687 in words is "eleven trillion, two hundred twenty-two billion, four hundred forty-four million, six hundred sixty-six thousand, six hundred eighty-seven".