111111404420043 has 96 divisors (see below), whose sum is σ = 167474511360000. Its totient is φ = 70929147564288.

The previous prime is 111111404420017. The next prime is 111111404420047. The reversal of 111111404420043 is 340024404111111.

111111404420043 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 11 + 404 + 4 + 200 + 43 = 666.

It is not a de Polignac number, because 111111404420043 - 2⁶ = 111111404419979 is a prime.

It is a super-2 number, since 2×111111404420043² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111111404419989 and 111111404420016.

It is not an unprimeable number, because it can be changed into a prime (111111404420047) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20928873673 + ... + 20928878981.

It is an arithmetic number, because the mean of its divisors is an integer number (1744526160000).

Almost surely, 2^{111111404420043} is an apocalyptic number.

111111404420043 is a deficient number, since it is larger than the sum of its proper divisors (56363106939957).

111111404420043 is a wasteful number, since it uses less digits than its factorization.

111111404420043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881 (or 7878 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 111111404420043 its reverse (340024404111111), we get a palindrome (451135808531154).

The spelling of 111111404420043 in words is "one hundred eleven trillion, one hundred eleven billion, four hundred four million, four hundred twenty thousand, forty-three".