13505333303 has 24 divisors (see below), whose sum is σ = 17691369984. Its totient is φ = 10184151600.

The previous prime is 13505333279. The next prime is 13505333339. The reversal of 13505333303 is 30333350531.

13505333303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13505333303 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 (13505333003) 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 in 23 ways as a sum of consecutive naturals, for example, 387425 + ... + 420842.

It is an arithmetic number, because the mean of its divisors is an integer number (737140416).

Almost surely, 2^13505333303 is an apocalyptic number.

13505333303 is a deficient number, since it is larger than the sum of its proper divisors (4186036681).

13505333303 is a wasteful number, since it uses less digits than its factorization.

13505333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808323 (or 808316 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 29.

Adding to 13505333303 its reverse (30333350531), we get a palindrome (43838683834).

The spelling of 13505333303 in words is "thirteen billion, five hundred five million, three hundred thirty-three thousand, three hundred three".