11660276765243 has 2 divisors, whose sum is σ = 11660276765244. Its totient is φ = 11660276765242.

The previous prime is 11660276765237. The next prime is 11660276765251. The reversal of 11660276765243 is 34256767206611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11660276765243 - 2⁸ = 11660276764987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11660276765273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830138382621 + 5830138382622.

It is an arithmetic number, because the mean of its divisors is an integer number (5830138382622).

Almost surely, 2^{11660276765243} is an apocalyptic number.

11660276765243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660276765243 is an equidigital number, since it uses as much as digits as its factorization.

11660276765243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 11660276765243 in words is "eleven trillion, six hundred sixty billion, two hundred seventy-six million, seven hundred sixty-five thousand, two hundred forty-three".