43402111141 has 4 divisors (see below), whose sum is σ = 45686432800. Its totient is φ = 41117789484.

The previous prime is 43402111087. The next prime is 43402111163. The reversal of 43402111141 is 14111120434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43402111141 - 2¹⁹ = 43401586853 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 (43402111541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142160801 + ... + 1142160838.

It is an arithmetic number, because the mean of its divisors is an integer number (11421608200).

Almost surely, 2^43402111141 is an apocalyptic number.

It is an amenable number.

43402111141 is a deficient number, since it is larger than the sum of its proper divisors (2284321659).

43402111141 is a wasteful number, since it uses less digits than its factorization.

43402111141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284321658.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 43402111141 its reverse (14111120434), we get a palindrome (57513231575).

The spelling of 43402111141 in words is "forty-three billion, four hundred two million, one hundred eleven thousand, one hundred forty-one".