42543324135 has 48 divisors (see below), whose sum is σ = 82867022784. Its totient is φ = 20033773056.

The previous prime is 42543324119. The next prime is 42543324139. The reversal of 42543324135 is 53142334524.

42543324135 is a `hidden beast` number, since 4 + 254 + 332 + 41 + 35 = 666.

It is not a de Polignac number, because 42543324135 - 2⁴ = 42543324119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42543324135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543324139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1567494 + ... + 1594403.

It is an arithmetic number, because the mean of its divisors is an integer number (1726396308).

Almost surely, 2^42543324135 is an apocalyptic number.

42543324135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42543324135 is a deficient number, since it is larger than the sum of its proper divisors (40323698649).

42543324135 is a wasteful number, since it uses less digits than its factorization.

42543324135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161944 (or 3161941 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 42543324135 its reverse (53142334524), we get a palindrome (95685658659).

The spelling of 42543324135 in words is "forty-two billion, five hundred forty-three million, three hundred twenty-four thousand, one hundred thirty-five".