13165033205 has 4 divisors (see below), whose sum is σ = 15798039852. Its totient is φ = 10532026560.

The previous prime is 13165033199. The next prime is 13165033241. The reversal of 13165033205 is 50233056131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50233056131 = 41 ⋅1225196491.

It can be written as a sum of positive squares in 2 ways, for example, as 8344091716 + 4820941489 = 91346^2 + 69433^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13165033205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316503316 + ... + 1316503325.

It is an arithmetic number, because the mean of its divisors is an integer number (3949509963).

Almost surely, 2^13165033205 is an apocalyptic number.

It is an amenable number.

13165033205 is a deficient number, since it is larger than the sum of its proper divisors (2633006647).

13165033205 is an equidigital number, since it uses as much as digits as its factorization.

13165033205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633006646.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 13165033205 its reverse (50233056131), we get a palindrome (63398089336).

The spelling of 13165033205 in words is "thirteen billion, one hundred sixty-five million, thirty-three thousand, two hundred five".