11766642911 has 2 divisors, whose sum is σ = 11766642912. Its totient is φ = 11766642910.

The previous prime is 11766642893. The next prime is 11766642929. The reversal of 11766642911 is 11924666711.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (11766642893) and next prime (11766642929).

It is a cyclic number.

It is not a de Polignac number, because 11766642911 - 2⁶ = 11766642847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11766642991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883321455 + 5883321456.

It is an arithmetic number, because the mean of its divisors is an integer number (5883321456).

Almost surely, 2^11766642911 is an apocalyptic number.

11766642911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11766642911 is an equidigital number, since it uses as much as digits as its factorization.

11766642911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The spelling of 11766642911 in words is "eleven billion, seven hundred sixty-six million, six hundred forty-two thousand, nine hundred eleven".