43032121141 has 4 divisors (see below), whose sum is σ = 43147489132. Its totient is φ = 42916753152.

The previous prime is 43032121133. The next prime is 43032121151. The reversal of 43032121141 is 14112123034.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17127218641 + 25904902500 = 130871^2 + 160950^2 .

It is a cyclic number.

It is not a de Polignac number, because 43032121141 - 2³ = 43032121133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43032121151) 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, 57683436 + ... + 57684181.

It is an arithmetic number, because the mean of its divisors is an integer number (10786872283).

Almost surely, 2^43032121141 is an apocalyptic number.

It is an amenable number.

43032121141 is a deficient number, since it is larger than the sum of its proper divisors (115367991).

43032121141 is a wasteful number, since it uses less digits than its factorization.

43032121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115367990.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 43032121141 its reverse (14112123034), we get a palindrome (57144244175).

The spelling of 43032121141 in words is "forty-three billion, thirty-two million, one hundred twenty-one thousand, one hundred forty-one".