13645211153 has 12 divisors (see below), whose sum is σ = 16013476260. Its totient is φ = 11592387072.

The previous prime is 13645211149. The next prime is 13645211159. The reversal of 13645211153 is 35111254631.

It can be written as a sum of positive squares in 2 ways, for example, as 3759283969 + 9885927184 = 61313^2 + 99428^2 .

It is not a de Polignac number, because 13645211153 - 2² = 13645211149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13645211159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226648 + ... + 1237721.

It is an arithmetic number, because the mean of its divisors is an integer number (1334456355).

Almost surely, 2^13645211153 is an apocalyptic number.

It is an amenable number.

13645211153 is a deficient number, since it is larger than the sum of its proper divisors (2368265107).

13645211153 is a wasteful number, since it uses less digits than its factorization.

13645211153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464496 (or 2464489 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

Adding to 13645211153 its reverse (35111254631), we get a palindrome (48756465784).

The spelling of 13645211153 in words is "thirteen billion, six hundred forty-five million, two hundred eleven thousand, one hundred fifty-three".