13543541532 has 18 divisors (see below), whose sum is σ = 34235063408. Its totient is φ = 4514513832.

The previous prime is 13543541527. The next prime is 13543541533. The reversal of 13543541532 is 23514534531.

13543541532 is a `hidden beast` number, since 1 + 3 + 54 + 35 + 41 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 376209487 = 13543541532 / (1 + 3 + 5 + 4 + 3 + 5 + 4 + 1 + 5 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13543541533) 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, 188104708 + ... + 188104779.

Almost surely, 2^13543541532 is an apocalyptic number.

13543541532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13543541532 is an abundant number, since it is smaller than the sum of its proper divisors (20691521876).

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

13543541532 is a wasteful number, since it uses less digits than its factorization.

13543541532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376209497 (or 376209492 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The spelling of 13543541532 in words is "thirteen billion, five hundred forty-three million, five hundred forty-one thousand, five hundred thirty-two".