1112455666691 has 2 divisors, whose sum is σ = 1112455666692. Its totient is φ = 1112455666690.

The previous prime is 1112455666613. The next prime is 1112455666703. The reversal of 1112455666691 is 1966665542111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112455666691 is a prime.

It is a super-2 number, since 2×1112455666691² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112455666891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556227833345 + 556227833346.

It is an arithmetic number, because the mean of its divisors is an integer number (556227833346).

Almost surely, 2^{1112455666691} is an apocalyptic number.

1112455666691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112455666691 is an equidigital number, since it uses as much as digits as its factorization.

1112455666691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The spelling of 1112455666691 in words is "one trillion, one hundred twelve billion, four hundred fifty-five million, six hundred sixty-six thousand, six hundred ninety-one".