43351312543105 has 48 divisors (see below), whose sum is σ = 61514716176720. Its totient is φ = 29235596544000.

The previous prime is 43351312543087. The next prime is 43351312543111. The reversal of 43351312543105 is 50134521315334.

43351312543105 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 12599773747456 + 30751538795649 = 3549616^2 + 5545407^2 .

It is not a de Polignac number, because 43351312543105 - 2¹¹ = 43351312541057 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 47 ways as a sum of consecutive naturals, for example, 120710805 + ... + 121069405.

It is an arithmetic number, because the mean of its divisors is an integer number (1281556587015).

Almost surely, 2^{43351312543105} is an apocalyptic number.

It is an amenable number.

43351312543105 is a deficient number, since it is larger than the sum of its proper divisors (18163403633615).

43351312543105 is a wasteful number, since it uses less digits than its factorization.

43351312543105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366770 (or 366763 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 43351312543105 its reverse (50134521315334), we get a palindrome (93485833858439).

The spelling of 43351312543105 in words is "forty-three trillion, three hundred fifty-one billion, three hundred twelve million, five hundred forty-three thousand, one hundred five".