1328666711 has 2 divisors, whose sum is σ = 1328666712. Its totient is φ = 1328666710.

The previous prime is 1328666693. The next prime is 1328666741. The reversal of 1328666711 is 1176668231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328666711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328666741) 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, 664333355 + 664333356.

It is an arithmetic number, because the mean of its divisors is an integer number (664333356).

Almost surely, 2^1328666711 is an apocalyptic number.

1328666711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328666711 is an equidigital number, since it uses as much as digits as its factorization.

1328666711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 1328666711 is about 36450.8807986858. The cubic root of 1328666711 is about 1099.3568446901.

It can be divided in two parts, 13286 and 66711, that added together give a palindrome (79997).

The spelling of 1328666711 in words is "one billion, three hundred twenty-eight million, six hundred sixty-six thousand, seven hundred eleven".