11884744771 has 2 divisors, whose sum is σ = 11884744772. Its totient is φ = 11884744770.

The previous prime is 11884744763. The next prime is 11884744783. The reversal of 11884744771 is 17744748811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11884744771 - 2³ = 11884744763 is a prime.

It is not a weakly prime, because it can be changed into another prime (11884744721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5942372385 + 5942372386.

It is an arithmetic number, because the mean of its divisors is an integer number (5942372386).

Almost surely, 2^11884744771 is an apocalyptic number.

11884744771 is a deficient number, since it is larger than the sum of its proper divisors (1).

11884744771 is an equidigital number, since it uses as much as digits as its factorization.

11884744771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1404928, while the sum is 52.

The spelling of 11884744771 in words is "eleven billion, eight hundred eighty-four million, seven hundred forty-four thousand, seven hundred seventy-one".