11110665516673 has 2 divisors, whose sum is σ = 11110665516674. Its totient is φ = 11110665516672.

The previous prime is 11110665516653. The next prime is 11110665516703. The reversal of 11110665516673 is 37661556601111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10789076716929 + 321588799744 = 3284673^2 + 567088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110665516673 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110665516653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555332758336 + 5555332758337.

It is an arithmetic number, because the mean of its divisors is an integer number (5555332758337).

Almost surely, 2^{11110665516673} is an apocalyptic number.

It is an amenable number.

11110665516673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110665516673 is an equidigital number, since it uses as much as digits as its factorization.

11110665516673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 11110665516673 in words is "eleven trillion, one hundred ten billion, six hundred sixty-five million, five hundred sixteen thousand, six hundred seventy-three".