13503435345 has 32 divisors (see below), whose sum is σ = 24516887040. Its totient is φ = 7048598400.

The previous prime is 13503435331. The next prime is 13503435349. The reversal of 13503435345 is 54353430531.

It is not a de Polignac number, because 13503435345 - 2⁵ = 13503435313 is a prime.

It is a super-2 number, since 2×13503435345² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13503435349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1057756 + ... + 1070445.

It is an arithmetic number, because the mean of its divisors is an integer number (766152720).

Almost surely, 2^13503435345 is an apocalyptic number.

13503435345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13503435345 is a deficient number, since it is larger than the sum of its proper divisors (11013451695).

13503435345 is a wasteful number, since it uses less digits than its factorization.

13503435345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128262 (or 2128256 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 13503435345 its reverse (54353430531), we get a palindrome (67856865876).

The spelling of 13503435345 in words is "thirteen billion, five hundred three million, four hundred thirty-five thousand, three hundred forty-five".