12726166411 has 4 divisors (see below), whose sum is σ = 14544190192. Its totient is φ = 10908142632.

The previous prime is 12726166319. The next prime is 12726166417. The reversal of 12726166411 is 11466162721.

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 12726166411 - 2⁹ = 12726165899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12726166417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909011880 + ... + 909011893.

It is an arithmetic number, because the mean of its divisors is an integer number (3636047548).

Almost surely, 2^12726166411 is an apocalyptic number.

12726166411 is a deficient number, since it is larger than the sum of its proper divisors (1818023781).

12726166411 is an equidigital number, since it uses as much as digits as its factorization.

12726166411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818023780.

The product of its digits is 24192, while the sum is 37.

The spelling of 12726166411 in words is "twelve billion, seven hundred twenty-six million, one hundred sixty-six thousand, four hundred eleven".