13104520154505 has 64 divisors (see below), whose sum is σ = 25140514936320. Its totient is φ = 6438208313088.

The previous prime is 13104520154503. The next prime is 13104520154549. The reversal of 13104520154505 is 50545102540131.

13104520154505 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 452 + 0 + 154 + 50 + 5 = 666.

It is not a de Polignac number, because 13104520154505 - 2¹ = 13104520154503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13104520154505.

It is not an unprimeable number, because it can be changed into a prime (13104520154503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6811602 + ... + 8520971.

It is an arithmetic number, because the mean of its divisors is an integer number (392820545880).

Almost surely, 2^{13104520154505} is an apocalyptic number.

13104520154505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13104520154505 is a deficient number, since it is larger than the sum of its proper divisors (12035994781815).

13104520154505 is a wasteful number, since it uses less digits than its factorization.

13104520154505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15333087 (or 15333081 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 13104520154505 its reverse (50545102540131), we get a palindrome (63649622694636).

The spelling of 13104520154505 in words is "thirteen trillion, one hundred four billion, five hundred twenty million, one hundred fifty-four thousand, five hundred five".