11668511143 has 2 divisors, whose sum is σ = 11668511144. Its totient is φ = 11668511142.

The previous prime is 11668511081. The next prime is 11668511147. The reversal of 11668511143 is 34111586611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11668511143 - 2⁹ = 11668510631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11668511147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834255571 + 5834255572.

It is an arithmetic number, because the mean of its divisors is an integer number (5834255572).

Almost surely, 2^11668511143 is an apocalyptic number.

11668511143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668511143 is an equidigital number, since it uses as much as digits as its factorization.

11668511143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The spelling of 11668511143 in words is "eleven billion, six hundred sixty-eight million, five hundred eleven thousand, one hundred forty-three".