12660026011 has 2 divisors, whose sum is σ = 12660026012. Its totient is φ = 12660026010.

The previous prime is 12660025981. The next prime is 12660026033. The reversal of 12660026011 is 11062006621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12660026011 - 2⁷ = 12660025883 is a prime.

It is not a weakly prime, because it can be changed into another prime (12660026051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6330013005 + 6330013006.

It is an arithmetic number, because the mean of its divisors is an integer number (6330013006).

Almost surely, 2^12660026011 is an apocalyptic number.

12660026011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660026011 is an equidigital number, since it uses as much as digits as its factorization.

12660026011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12660026011 in words is "twelve billion, six hundred sixty million, twenty-six thousand, eleven".