1186222110449 has 2 divisors, whose sum is σ = 1186222110450. Its totient is φ = 1186222110448.

The previous prime is 1186222110397. The next prime is 1186222110497. The reversal of 1186222110449 is 9440112226811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931456614400 + 254765496049 = 965120^2 + 504743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1186222110449 - 2⁸ = 1186222110193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1186222119449) 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, 593111055224 + 593111055225.

It is an arithmetic number, because the mean of its divisors is an integer number (593111055225).

Almost surely, 2^{1186222110449} is an apocalyptic number.

It is an amenable number.

1186222110449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1186222110449 is an equidigital number, since it uses as much as digits as its factorization.

1186222110449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 1186222110449 in words is "one trillion, one hundred eighty-six billion, two hundred twenty-two million, one hundred ten thousand, four hundred forty-nine".