43254430111 has 4 divisors (see below), whose sum is σ = 43289398552. Its totient is φ = 43219461672.

The previous prime is 43254430073. The next prime is 43254430139. The reversal of 43254430111 is 11103445234.

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 43254430111 - 2²⁵ = 43220875679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43254430111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43254430181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17482365 + ... + 17484838.

It is an arithmetic number, because the mean of its divisors is an integer number (10822349638).

Almost surely, 2^43254430111 is an apocalyptic number.

43254430111 is a deficient number, since it is larger than the sum of its proper divisors (34968441).

43254430111 is a wasteful number, since it uses less digits than its factorization.

43254430111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34968440.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 43254430111 its reverse (11103445234), we get a palindrome (54357875345).

The spelling of 43254430111 in words is "forty-three billion, two hundred fifty-four million, four hundred thirty thousand, one hundred eleven".