11884021049 has 2 divisors, whose sum is σ = 11884021050. Its totient is φ = 11884021048.

The previous prime is 11884021043. The next prime is 11884021211. The reversal of 11884021049 is 94012048811.

11884021049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9825765625 + 2058255424 = 99125^2 + 45368^2 .

It is a cyclic number.

It is not a de Polignac number, because 11884021049 - 2⁴ = 11884021033 is a prime.

It is not a weakly prime, because it can be changed into another prime (11884021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5942010524 + 5942010525.

It is an arithmetic number, because the mean of its divisors is an integer number (5942010525).

Almost surely, 2^11884021049 is an apocalyptic number.

It is an amenable number.

11884021049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11884021049 is an equidigital number, since it uses as much as digits as its factorization.

11884021049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 11884021049 in words is "eleven billion, eight hundred eighty-four million, twenty-one thousand, forty-nine".