43041440322011 has 4 divisors (see below), whose sum is σ = 43188339436032. Its totient is φ = 42894541207992.

The previous prime is 43041440321981. The next prime is 43041440322059. The reversal of 43041440322011 is 11022304414034.

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 43041440322011 - 2¹⁰ = 43041440320987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43041440322091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73449556571 + ... + 73449557156.

It is an arithmetic number, because the mean of its divisors is an integer number (10797084859008).

Almost surely, 2^{43041440322011} is an apocalyptic number.

43041440322011 is a deficient number, since it is larger than the sum of its proper divisors (146899114021).

43041440322011 is a wasteful number, since it uses less digits than its factorization.

43041440322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146899114020.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 43041440322011 its reverse (11022304414034), we get a palindrome (54063744736045).

The spelling of 43041440322011 in words is "forty-three trillion, forty-one billion, four hundred forty million, three hundred twenty-two thousand, eleven".