13255523503 has 4 divisors (see below), whose sum is σ = 13256047600. Its totient is φ = 13254999408.

The previous prime is 13255523497. The next prime is 13255523513. The reversal of 13255523503 is 30532555231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30532555231 = 4001 ⋅7631231.

It is a cyclic number.

It is not a de Polignac number, because 13255523503 - 2⁹ = 13255522991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255523513) 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 in 3 ways as a sum of consecutive naturals, for example, 222078 + ... + 275371.

It is an arithmetic number, because the mean of its divisors is an integer number (3314011900).

Almost surely, 2^13255523503 is an apocalyptic number.

13255523503 is a deficient number, since it is larger than the sum of its proper divisors (524097).

13255523503 is an equidigital number, since it uses as much as digits as its factorization.

13255523503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524096.

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 13255523503 in words is "thirteen billion, two hundred fifty-five million, five hundred twenty-three thousand, five hundred three".