13521315354143 has 16 divisors (see below), whose sum is σ = 13595022288000. Its totient is φ = 13447838512416.

The previous prime is 13521315354061. The next prime is 13521315354167. The reversal of 13521315354143 is 34145351312531.

13521315354143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13521315354143 - 2²⁰ = 13521314305567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13521315354143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521315374143) 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, 324987380 + ... + 325028982.

It is an arithmetic number, because the mean of its divisors is an integer number (849688893000).

Almost surely, 2^{13521315354143} is an apocalyptic number.

13521315354143 is a deficient number, since it is larger than the sum of its proper divisors (73706933857).

13521315354143 is a wasteful number, since it uses less digits than its factorization.

13521315354143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44326.

The product of its digits is 324000, while the sum is 41.

Adding to 13521315354143 its reverse (34145351312531), we get a palindrome (47666666666674).

The spelling of 13521315354143 in words is "thirteen trillion, five hundred twenty-one billion, three hundred fifteen million, three hundred fifty-four thousand, one hundred forty-three".