13304664216265 has 16 divisors (see below), whose sum is σ = 16084602856080. Its totient is φ = 10564418027520.

The previous prime is 13304664216241. The next prime is 13304664216269. The reversal of 13304664216265 is 56261246640331.

13304664216265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2237884353936 + 11066779862329 = 1495956^2 + 3326677^2 .

It is not a de Polignac number, because 13304664216265 - 2²³ = 13304655827657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13304664216269) 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, 2984935 + ... + 5959795.

It is an arithmetic number, because the mean of its divisors is an integer number (1005287678505).

Almost surely, 2^{13304664216265} is an apocalyptic number.

It is an amenable number.

13304664216265 is a deficient number, since it is larger than the sum of its proper divisors (2779938639815).

13304664216265 is a wasteful number, since it uses less digits than its factorization.

13304664216265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981532.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 13304664216265 in words is "thirteen trillion, three hundred four billion, six hundred sixty-four million, two hundred sixteen thousand, two hundred sixty-five".