13355311503 has 16 divisors (see below), whose sum is σ = 18868861440. Its totient is φ = 8373446016.

The previous prime is 13355311499. The next prime is 13355311511. The reversal of 13355311503 is 30511355331.

It is not a de Polignac number, because 13355311503 - 2² = 13355311499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13355311523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30993 + ... + 166346.

It is an arithmetic number, because the mean of its divisors is an integer number (1179303840).

Almost surely, 2^13355311503 is an apocalyptic number.

13355311503 is a deficient number, since it is larger than the sum of its proper divisors (5513549937).

13355311503 is a wasteful number, since it uses less digits than its factorization.

13355311503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198686.

The product of its (nonzero) digits is 10125, while the sum is 30.

Adding to 13355311503 its reverse (30511355331), we get a palindrome (43866666834).

The spelling of 13355311503 in words is "thirteen billion, three hundred fifty-five million, three hundred eleven thousand, five hundred three".