13521300205 has 16 divisors (see below), whose sum is σ = 18571083264. Its totient is φ = 9257955840.

The previous prime is 13521300187. The next prime is 13521300209. The reversal of 13521300205 is 50200312531.

It is not a de Polignac number, because 13521300205 - 2¹¹ = 13521298157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521300209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263461 + ... + 310570.

It is an arithmetic number, because the mean of its divisors is an integer number (1160692704).

Almost surely, 2^13521300205 is an apocalyptic number.

It is an amenable number.

13521300205 is a deficient number, since it is larger than the sum of its proper divisors (5049783059).

13521300205 is an equidigital number, since it uses as much as digits as its factorization.

13521300205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574716.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 13521300205 its reverse (50200312531), we get a palindrome (63721612736).

The spelling of 13521300205 in words is "thirteen billion, five hundred twenty-one million, three hundred thousand, two hundred five".