43232144505505 has 16 divisors (see below), whose sum is σ = 51914839807440. Its totient is φ = 34561539371008.

The previous prime is 43232144505497. The next prime is 43232144505521. The reversal of 43232144505505 is 50550544123234.

43232144505505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4954078802176 + 38278065703329 = 2225776^2 + 6186927^2 .

It is a cyclic number.

It is not a de Polignac number, because 43232144505505 - 2³ = 43232144505497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354623601 + ... + 354745489.

It is an arithmetic number, because the mean of its divisors is an integer number (3244677487965).

Almost surely, 2^{43232144505505} is an apocalyptic number.

It is an amenable number.

43232144505505 is a deficient number, since it is larger than the sum of its proper divisors (8682695301935).

43232144505505 is a wasteful number, since it uses less digits than its factorization.

43232144505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170900.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 43232144505505 its reverse (50550544123234), we get a palindrome (93782688628739).

The spelling of 43232144505505 in words is "forty-three trillion, two hundred thirty-two billion, one hundred forty-four million, five hundred five thousand, five hundred five".