13543545503 has 2 divisors, whose sum is σ = 13543545504. Its totient is φ = 13543545502.

The previous prime is 13543545493. The next prime is 13543545511. The reversal of 13543545503 is 30554534531.

13543545503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13543545503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13543545563) 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, 6771772751 + 6771772752.

It is an arithmetic number, because the mean of its divisors is an integer number (6771772752).

Almost surely, 2^13543545503 is an apocalyptic number.

13543545503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13543545503 is an equidigital number, since it uses as much as digits as its factorization.

13543545503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 13543545503 in words is "thirteen billion, five hundred forty-three million, five hundred forty-five thousand, five hundred three".