43043542032011 has 4 divisors (see below), whose sum is σ = 43043557681632. Its totient is φ = 43043526382392.

The previous prime is 43043542031981. The next prime is 43043542032013. The reversal of 43043542032011 is 11023024534034.

43043542032011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43043542032011 - 2¹⁰ = 43043542030987 is a prime.

It is a super-2 number, since 2×43043542032011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43043542032013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2484020 + ... + 9605073.

It is an arithmetic number, because the mean of its divisors is an integer number (10760889420408).

Almost surely, 2^{43043542032011} is an apocalyptic number.

43043542032011 is a deficient number, since it is larger than the sum of its proper divisors (15649621).

43043542032011 is a wasteful number, since it uses less digits than its factorization.

43043542032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15649620.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 43043542032011 its reverse (11023024534034), we get a palindrome (54066566566045).

The spelling of 43043542032011 in words is "forty-three trillion, forty-three billion, five hundred forty-two million, thirty-two thousand, eleven".