13524255543 has 4 divisors (see below), whose sum is σ = 18032340728. Its totient is φ = 9016170360.

The previous prime is 13524255533. The next prime is 13524255581. The reversal of 13524255543 is 34555242531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34555242531 = 3 ⋅11518414177.

It is not a de Polignac number, because 13524255543 - 2⁸ = 13524255287 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 (13524255533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254042588 + ... + 2254042593.

It is an arithmetic number, because the mean of its divisors is an integer number (4508085182).

Almost surely, 2^13524255543 is an apocalyptic number.

13524255543 is a deficient number, since it is larger than the sum of its proper divisors (4508085185).

13524255543 is an equidigital number, since it uses as much as digits as its factorization.

13524255543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508085184.

The product of its digits is 360000, while the sum is 39.

The spelling of 13524255543 in words is "thirteen billion, five hundred twenty-four million, two hundred fifty-five thousand, five hundred forty-three".