5511544543 has 2 divisors, whose sum is σ = 5511544544. Its totient is φ = 5511544542.

The previous prime is 5511544513. The next prime is 5511544583. The reversal of 5511544543 is 3454451155.

5511544543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5511544543 - 2¹⁷ = 5511413471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5511544513) 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, 2755772271 + 2755772272.

It is an arithmetic number, because the mean of its divisors is an integer number (2755772272).

Almost surely, 2^5511544543 is an apocalyptic number.

5511544543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511544543 is an equidigital number, since it uses as much as digits as its factorization.

5511544543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 37.

The square root of 5511544543 is about 74239.7773636209. Note that the first 3 decimals coincide. The cubic root of 5511544543 is about 1766.4083426772.

Adding to 5511544543 its reverse (3454451155), we get a palindrome (8965995698).

The spelling of 5511544543 in words is "five billion, five hundred eleven million, five hundred forty-four thousand, five hundred forty-three".