1122863666557 has 2 divisors, whose sum is σ = 1122863666558. Its totient is φ = 1122863666556.

The previous prime is 1122863666539. The next prime is 1122863666579. The reversal of 1122863666557 is 7556663682211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958335270916 + 164528395641 = 978946^2 + 405621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122863666557 - 2²³ = 1122855277949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122863666527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561431833278 + 561431833279.

It is an arithmetic number, because the mean of its divisors is an integer number (561431833279).

Almost surely, 2^{1122863666557} is an apocalyptic number.

It is an amenable number.

1122863666557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122863666557 is an equidigital number, since it uses as much as digits as its factorization.

1122863666557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 58.

The spelling of 1122863666557 in words is "one trillion, one hundred twenty-two billion, eight hundred sixty-three million, six hundred sixty-six thousand, five hundred fifty-seven".