13504243535226 has 24 divisors (see below), whose sum is σ = 30980323405044. Its totient is φ = 4236625422720.

The previous prime is 13504243535219. The next prime is 13504243535227. The reversal of 13504243535226 is 62253534240531.

13504243535226 is a `hidden beast` number, since 1 + 3 + 50 + 4 + 2 + 43 + 535 + 2 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12086712794025 + 1417530741201 = 3476595^2 + 1190601^2 .

It is not an unprimeable number, because it can be changed into a prime (13504243535227) 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, 22065757105 + ... + 22065757716.

Almost surely, 2^{13504243535226} is an apocalyptic number.

13504243535226 is an abundant number, since it is smaller than the sum of its proper divisors (17476079869818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13504243535226 is a wasteful number, since it uses less digits than its factorization.

13504243535226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44131514846 (or 44131514843 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 13504243535226 its reverse (62253534240531), we get a palindrome (75757777775757).

The spelling of 13504243535226 in words is "thirteen trillion, five hundred four billion, two hundred forty-three million, five hundred thirty-five thousand, two hundred twenty-six".