545443454111 has 2 divisors, whose sum is σ = 545443454112. Its totient is φ = 545443454110.

The previous prime is 545443454099. The next prime is 545443454177. The reversal of 545443454111 is 111454344545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545443454111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545443454711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272721727055 + 272721727056.

It is an arithmetic number, because the mean of its divisors is an integer number (272721727056).

Almost surely, 2^545443454111 is an apocalyptic number.

545443454111 is a deficient number, since it is larger than the sum of its proper divisors (1).

545443454111 is an equidigital number, since it uses as much as digits as its factorization.

545443454111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384000, while the sum is 41.

Adding to 545443454111 its reverse (111454344545), we get a palindrome (656897798656).

The spelling of 545443454111 in words is "five hundred forty-five billion, four hundred forty-three million, four hundred fifty-four thousand, one hundred eleven".