26643168011 has 2 divisors, whose sum is σ = 26643168012. Its totient is φ = 26643168010.

The previous prime is 26643167959. The next prime is 26643168031. The reversal of 26643168011 is 11086134662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26643168011 - 2³⁴ = 9463298827 is a prime.

It is a super-2 number, since 2×26643168011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26643168031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13321584005 + 13321584006.

It is an arithmetic number, because the mean of its divisors is an integer number (13321584006).

Almost surely, 2^26643168011 is an apocalyptic number.

26643168011 is a deficient number, since it is larger than the sum of its proper divisors (1).

26643168011 is an equidigital number, since it uses as much as digits as its factorization.

26643168011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 26643168011 in words is "twenty-six billion, six hundred forty-three million, one hundred sixty-eight thousand, eleven".