12766725611 has 4 divisors (see below), whose sum is σ = 12774010152. Its totient is φ = 12759441072.

The previous prime is 12766725599. The next prime is 12766725641. The reversal of 12766725611 is 11652766721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12766725611 - 2²² = 12762531307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12766725641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3639641 + ... + 3643146.

It is an arithmetic number, because the mean of its divisors is an integer number (3193502538).

Almost surely, 2^12766725611 is an apocalyptic number.

12766725611 is a deficient number, since it is larger than the sum of its proper divisors (7284541).

12766725611 is an equidigital number, since it uses as much as digits as its factorization.

12766725611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284540.

The product of its digits is 211680, while the sum is 44.

The spelling of 12766725611 in words is "twelve billion, seven hundred sixty-six million, seven hundred twenty-five thousand, six hundred eleven".