12056426311 has 2 divisors, whose sum is σ = 12056426312. Its totient is φ = 12056426310.

The previous prime is 12056426309. The next prime is 12056426377. The reversal of 12056426311 is 11362465021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12056426311 - 2¹ = 12056426309 is a prime.

Together with 12056426309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12056426381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6028213155 + 6028213156.

It is an arithmetic number, because the mean of its divisors is an integer number (6028213156).

Almost surely, 2^12056426311 is an apocalyptic number.

12056426311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12056426311 is an equidigital number, since it uses as much as digits as its factorization.

12056426311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 12056426311 in words is "twelve billion, fifty-six million, four hundred twenty-six thousand, three hundred eleven".