43243504111 has 4 divisors (see below), whose sum is σ = 43336903072. Its totient is φ = 43150105152.

The previous prime is 43243504099. The next prime is 43243504121. The reversal of 43243504111 is 11140534234.

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 43243504111 - 2¹⁷ = 43243373039 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 43243504111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243504121) 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, 46698786 + ... + 46699711.

It is an arithmetic number, because the mean of its divisors is an integer number (10834225768).

Almost surely, 2^43243504111 is an apocalyptic number.

43243504111 is a deficient number, since it is larger than the sum of its proper divisors (93398961).

43243504111 is an equidigital number, since it uses as much as digits as its factorization.

43243504111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93398960.

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

The spelling of 43243504111 in words is "forty-three billion, two hundred forty-three million, five hundred four thousand, one hundred eleven".