13500305503 has 2 divisors, whose sum is σ = 13500305504. Its totient is φ = 13500305502.

The previous prime is 13500305461. The next prime is 13500305531. The reversal of 13500305503 is 30550300531.

It is a happy number.

13500305503 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-13500305503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13500305003) 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, 6750152751 + 6750152752.

It is an arithmetic number, because the mean of its divisors is an integer number (6750152752).

Almost surely, 2^13500305503 is an apocalyptic number.

13500305503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500305503 is an equidigital number, since it uses as much as digits as its factorization.

13500305503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 25.

The spelling of 13500305503 in words is "thirteen billion, five hundred million, three hundred five thousand, five hundred three".