12066666611 has 2 divisors, whose sum is σ = 12066666612. Its totient is φ = 12066666610.

The previous prime is 12066666583. The next prime is 12066666653. The reversal of 12066666611 is 11666666021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12066666611 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12066668611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6033333305 + 6033333306.

It is an arithmetic number, because the mean of its divisors is an integer number (6033333306).

Almost surely, 2^12066666611 is an apocalyptic number.

12066666611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066666611 is an equidigital number, since it uses as much as digits as its factorization.

12066666611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 12066666611 in words is "twelve billion, sixty-six million, six hundred sixty-six thousand, six hundred eleven".