13645211165 has 8 divisors (see below), whose sum is σ = 16399104480. Its totient is φ = 10899601552.

The previous prime is 13645211159. The next prime is 13645211179. The reversal of 13645211165 is 56111254631.

13645211165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13645211165 - 2⁴ = 13645211149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2067299 + ... + 2073888.

It is an arithmetic number, because the mean of its divisors is an integer number (2049888060).

Almost surely, 2^13645211165 is an apocalyptic number.

It is an amenable number.

13645211165 is a deficient number, since it is larger than the sum of its proper divisors (2753893315).

13645211165 is an equidigital number, since it uses as much as digits as its factorization.

13645211165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141851.

The product of its digits is 21600, while the sum is 35.

Adding to 13645211165 its reverse (56111254631), we get a palindrome (69756465796).

The spelling of 13645211165 in words is "thirteen billion, six hundred forty-five million, two hundred eleven thousand, one hundred sixty-five".