13500320253 has 16 divisors (see below), whose sum is σ = 20651971200. Its totient is φ = 7684448256.

The previous prime is 13500320243. The next prime is 13500320311. The reversal of 13500320253 is 35202300531.

It is a happy number.

It is not a de Polignac number, because 13500320253 - 2⁵ = 13500320221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500320213) 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 15 ways as a sum of consecutive naturals, for example, 1245328 + ... + 1256121.

It is an arithmetic number, because the mean of its divisors is an integer number (1290748200).

Almost surely, 2^13500320253 is an apocalyptic number.

It is an amenable number.

13500320253 is a deficient number, since it is larger than the sum of its proper divisors (7151650947).

13500320253 is a wasteful number, since it uses less digits than its factorization.

13500320253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501716.

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 13500320253 its reverse (35202300531), we get a palindrome (48702620784).

The spelling of 13500320253 in words is "thirteen billion, five hundred million, three hundred twenty thousand, two hundred fifty-three".