13500905503 has 8 divisors (see below), whose sum is σ = 13696449248. Its totient is φ = 13305648384.

The previous prime is 13500905497. The next prime is 13500905527. The reversal of 13500905503 is 30550900531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13500905503 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 (13500905603) 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 7 ways as a sum of consecutive naturals, for example, 24151 + ... + 166087.

It is an arithmetic number, because the mean of its divisors is an integer number (1712056156).

Almost surely, 2^13500905503 is an apocalyptic number.

13500905503 is a deficient number, since it is larger than the sum of its proper divisors (195543745).

13500905503 is a wasteful number, since it uses less digits than its factorization.

13500905503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143313.

The product of its (nonzero) digits is 10125, while the sum is 31.

The spelling of 13500905503 in words is "thirteen billion, five hundred million, nine hundred five thousand, five hundred three".