545116111 has 2 divisors, whose sum is σ = 545116112. Its totient is φ = 545116110.

The previous prime is 545116093. The next prime is 545116129. The reversal of 545116111 is 111611545.

It is a balanced prime because it is at equal distance from previous prime (545116093) and next prime (545116129).

It is a cyclic number.

It is not a de Polignac number, because 545116111 - 2⁷ = 545115983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545116151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272558055 + 272558056.

It is an arithmetic number, because the mean of its divisors is an integer number (272558056).

Almost surely, 2^545116111 is an apocalyptic number.

545116111 is a deficient number, since it is larger than the sum of its proper divisors (1).

545116111 is an equidigital number, since it uses as much as digits as its factorization.

545116111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 25.

The square root of 545116111 is about 23347.7217518112. The cubic root of 545116111 is about 816.8889208958. Note that the first 3 decimals are identical.

Adding to 545116111 its reverse (111611545), we get a palindrome (656727656).

The spelling of 545116111 in words is "five hundred forty-five million, one hundred sixteen thousand, one hundred eleven".