544406111 has 2 divisors, whose sum is σ = 544406112. Its totient is φ = 544406110.

The previous prime is 544406081. The next prime is 544406117. The reversal of 544406111 is 111604445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544406111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544406117) 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, 272203055 + 272203056.

It is an arithmetic number, because the mean of its divisors is an integer number (272203056).

Almost surely, 2^544406111 is an apocalyptic number.

544406111 is a deficient number, since it is larger than the sum of its proper divisors (1).

544406111 is an equidigital number, since it uses as much as digits as its factorization.

544406111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 544406111 is about 23332.5118879215. The cubic root of 544406111 is about 816.5341077270.

The spelling of 544406111 in words is "five hundred forty-four million, four hundred six thousand, one hundred eleven".