11668886611 has 2 divisors, whose sum is σ = 11668886612. Its totient is φ = 11668886610.

The previous prime is 11668886591. The next prime is 11668886617.

11668886611 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 11668886611 - 2¹⁵ = 11668853843 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11668886617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834443305 + 5834443306.

It is an arithmetic number, because the mean of its divisors is an integer number (5834443306).

Almost surely, 2^11668886611 is an apocalyptic number.

11668886611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668886611 is an equidigital number, since it uses as much as digits as its factorization.

11668886611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 52.

The spelling of 11668886611 in words is "eleven billion, six hundred sixty-eight million, eight hundred eighty-six thousand, six hundred eleven".