20568127711 has 2 divisors, whose sum is σ = 20568127712. Its totient is φ = 20568127710.

The previous prime is 20568127709. The next prime is 20568127771. The reversal of 20568127711 is 11772186502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20568127711 - 2¹ = 20568127709 is a prime.

Together with 20568127709, 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 (20568127771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10284063855 + 10284063856.

It is an arithmetic number, because the mean of its divisors is an integer number (10284063856).

Almost surely, 2^20568127711 is an apocalyptic number.

20568127711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20568127711 is an equidigital number, since it uses as much as digits as its factorization.

20568127711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 20568127711 in words is "twenty billion, five hundred sixty-eight million, one hundred twenty-seven thousand, seven hundred eleven".