11885487443 has 2 divisors, whose sum is σ = 11885487444. Its totient is φ = 11885487442.

The previous prime is 11885487437. The next prime is 11885487473. The reversal of 11885487443 is 34478458811.

It is a weak prime.

It is an emirp because it is prime and its reverse (34478458811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11885487443 - 2¹⁰ = 11885486419 is a prime.

It is not a weakly prime, because it can be changed into another prime (11885487473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5942743721 + 5942743722.

It is an arithmetic number, because the mean of its divisors is an integer number (5942743722).

Almost surely, 2^11885487443 is an apocalyptic number.

11885487443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11885487443 is an equidigital number, since it uses as much as digits as its factorization.

11885487443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3440640, while the sum is 53.

The spelling of 11885487443 in words is "eleven billion, eight hundred eighty-five million, four hundred eighty-seven thousand, four hundred forty-three".