111144040043 has 4 divisors (see below), whose sum is σ = 111218187000. Its totient is φ = 111069893088.

The previous prime is 111144040013. The next prime is 111144040067. The reversal of 111144040043 is 340040441111.

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 111144040043 - 2¹⁴ = 111144023659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111144040013) 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, 37071230 + ... + 37074227.

It is an arithmetic number, because the mean of its divisors is an integer number (27804546750).

Almost surely, 2^111144040043 is an apocalyptic number.

111144040043 is a deficient number, since it is larger than the sum of its proper divisors (74146957).

111144040043 is an equidigital number, since it uses as much as digits as its factorization.

111144040043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74146956.

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

Adding to 111144040043 its reverse (340040441111), we get a palindrome (451184481154).

The spelling of 111144040043 in words is "one hundred eleven billion, one hundred forty-four million, forty thousand, forty-three".