11940143863 has 2 divisors, whose sum is σ = 11940143864. Its totient is φ = 11940143862.

The previous prime is 11940143857. The next prime is 11940143921. The reversal of 11940143863 is 36834104911.

It is a weak prime.

It is an emirp because it is prime and its reverse (36834104911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11940143863 - 2⁹ = 11940143351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11940143063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5970071931 + 5970071932.

It is an arithmetic number, because the mean of its divisors is an integer number (5970071932).

Almost surely, 2^11940143863 is an apocalyptic number.

11940143863 is a deficient number, since it is larger than the sum of its proper divisors (1).

11940143863 is an equidigital number, since it uses as much as digits as its factorization.

11940143863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 11940143863 in words is "eleven billion, nine hundred forty million, one hundred forty-three thousand, eight hundred sixty-three".