5443720111 has 2 divisors, whose sum is σ = 5443720112. Its totient is φ = 5443720110.

The previous prime is 5443720103. The next prime is 5443720147. The reversal of 5443720111 is 1110273445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5443720111 - 2³ = 5443720103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5443720111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5443720171) 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, 2721860055 + 2721860056.

It is an arithmetic number, because the mean of its divisors is an integer number (2721860056).

Almost surely, 2^5443720111 is an apocalyptic number.

5443720111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443720111 is an equidigital number, since it uses as much as digits as its factorization.

5443720111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5443720111 is about 73781.5702665645. The cubic root of 5443720111 is about 1759.1326768870.

Adding to 5443720111 its reverse (1110273445), we get a palindrome (6553993556).

The spelling of 5443720111 in words is "five billion, four hundred forty-three million, seven hundred twenty thousand, one hundred eleven".