13215255233333 has 4 divisors (see below), whose sum is σ = 13289083475040. Its totient is φ = 13141426991628.

The previous prime is 13215255233269. The next prime is 13215255233353. The reversal of 13215255233333 is 33333255251231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13215255233333 - 2⁶ = 13215255233269 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 (13215255233353) 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, 36914120585 + ... + 36914120942.

It is an arithmetic number, because the mean of its divisors is an integer number (3322270868760).

Almost surely, 2^{13215255233333} is an apocalyptic number.

It is an amenable number.

13215255233333 is a deficient number, since it is larger than the sum of its proper divisors (73828241707).

13215255233333 is an equidigital number, since it uses as much as digits as its factorization.

13215255233333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73828241706.

The product of its digits is 729000, while the sum is 41.

The spelling of 13215255233333 in words is "thirteen trillion, two hundred fifteen billion, two hundred fifty-five million, two hundred thirty-three thousand, three hundred thirty-three".