13204340353305 has 64 divisors (see below), whose sum is σ = 24047511121920. Its totient is φ = 6870747457728.

The previous prime is 13204340353297. The next prime is 13204340353333. The reversal of 13204340353305 is 50335304340231.

13204340353305 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 4 + 340 + 3 + 5 + 3 + 305 = 666.

It is not a de Polignac number, because 13204340353305 - 2³ = 13204340353297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13204340353305.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3837792 + ... + 6413838.

It is an arithmetic number, because the mean of its divisors is an integer number (375742361280).

Almost surely, 2^{13204340353305} is an apocalyptic number.

13204340353305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13204340353305 is a deficient number, since it is larger than the sum of its proper divisors (10843170768615).

13204340353305 is a wasteful number, since it uses less digits than its factorization.

13204340353305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576987 (or 2576981 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

Adding to 13204340353305 its reverse (50335304340231), we get a palindrome (63539644693536).

The spelling of 13204340353305 in words is "thirteen trillion, two hundred four billion, three hundred forty million, three hundred fifty-three thousand, three hundred five".