1106117766661 has 2 divisors, whose sum is σ = 1106117766662. Its totient is φ = 1106117766660.

The previous prime is 1106117766641. The next prime is 1106117766701. The reversal of 1106117766661 is 1666677116011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1099968854436 + 6148912225 = 1048794^2 + 78415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106117766661 - 2¹⁷ = 1106117635589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106117766641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553058883330 + 553058883331.

It is an arithmetic number, because the mean of its divisors is an integer number (553058883331).

Almost surely, 2^{1106117766661} is an apocalyptic number.

It is an amenable number.

1106117766661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106117766661 is an equidigital number, since it uses as much as digits as its factorization.

1106117766661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 1106117766661 in words is "one trillion, one hundred six billion, one hundred seventeen million, seven hundred sixty-six thousand, six hundred sixty-one".