43240142111 has 2 divisors, whose sum is σ = 43240142112. Its totient is φ = 43240142110.

The previous prime is 43240142047. The next prime is 43240142123. The reversal of 43240142111 is 11124104234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43240142111 - 2⁶ = 43240142047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240142131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620071055 + 21620071056.

It is an arithmetic number, because the mean of its divisors is an integer number (21620071056).

Almost surely, 2^43240142111 is an apocalyptic number.

43240142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240142111 is an equidigital number, since it uses as much as digits as its factorization.

43240142111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 43240142111 its reverse (11124104234), we get a palindrome (54364246345).

The spelling of 43240142111 in words is "forty-three billion, two hundred forty million, one hundred forty-two thousand, one hundred eleven".