13216340255 has 4 divisors (see below), whose sum is σ = 15859608312. Its totient is φ = 10573072200.

The previous prime is 13216340251. The next prime is 13216340257. The reversal of 13216340255 is 55204361231.

It is a happy number.

13216340255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55204361231 = 37 ⋅1492009763.

It is not a de Polignac number, because 13216340255 - 2² = 13216340251 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 (13216340251) 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 3 ways as a sum of consecutive naturals, for example, 1321634021 + ... + 1321634030.

It is an arithmetic number, because the mean of its divisors is an integer number (3964902078).

Almost surely, 2^13216340255 is an apocalyptic number.

13216340255 is a deficient number, since it is larger than the sum of its proper divisors (2643268057).

13216340255 is an equidigital number, since it uses as much as digits as its factorization.

13216340255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643268056.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 13216340255 in words is "thirteen billion, two hundred sixteen million, three hundred forty thousand, two hundred fifty-five".