13511003243 has 2 divisors, whose sum is σ = 13511003244. Its totient is φ = 13511003242.

The previous prime is 13511003239. The next prime is 13511003273. The reversal of 13511003243 is 34230011531.

It is a weak prime.

It is an emirp because it is prime and its reverse (34230011531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13511003243 - 2² = 13511003239 is a prime.

It is not a weakly prime, because it can be changed into another prime (13511003273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755501621 + 6755501622.

It is an arithmetic number, because the mean of its divisors is an integer number (6755501622).

Almost surely, 2^13511003243 is an apocalyptic number.

13511003243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13511003243 is an equidigital number, since it uses as much as digits as its factorization.

13511003243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13511003243 its reverse (34230011531), we get a palindrome (47741014774).

The spelling of 13511003243 in words is "thirteen billion, five hundred eleven million, three thousand, two hundred forty-three".