13535520543 has 6 divisors (see below), whose sum is σ = 19551307464. Its totient is φ = 9023680356.

The previous prime is 13535520533. The next prime is 13535520569. The reversal of 13535520543 is 34502553531.

13535520543 is a `hidden beast` number, since 1 + 3 + 53 + 552 + 0 + 54 + 3 = 666.

It is not a de Polignac number, because 13535520543 - 2⁵ = 13535520511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13535520498 and 13535520507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13535520533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751973355 + ... + 751973372.

It is an arithmetic number, because the mean of its divisors is an integer number (3258551244).

Almost surely, 2^13535520543 is an apocalyptic number.

13535520543 is a deficient number, since it is larger than the sum of its proper divisors (6015786921).

13535520543 is a wasteful number, since it uses less digits than its factorization.

13535520543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503946733 (or 1503946730 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 13535520543 in words is "thirteen billion, five hundred thirty-five million, five hundred twenty thousand, five hundred forty-three".