111304431412443 has 64 divisors (see below), whose sum is σ = 165837314373120. Its totient is φ = 73780094439936.

The previous prime is 111304431412429. The next prime is 111304431412457. The reversal of 111304431412443 is 344214134403111.

111304431412443 is a `hidden beast` number, since 1 + 1 + 1 + 30 + 4 + 43 + 141 + 2 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (111304431412429) and next prime (111304431412457).

It is not a de Polignac number, because 111304431412443 - 2¹³ = 111304431404251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111304431412398 and 111304431412407.

It is not an unprimeable number, because it can be changed into a prime (111304431414443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24478649896 + ... + 24478654442.

It is an arithmetic number, because the mean of its divisors is an integer number (2591208037080).

Almost surely, 2^{111304431412443} is an apocalyptic number.

111304431412443 is a deficient number, since it is larger than the sum of its proper divisors (54532882960677).

111304431412443 is a wasteful number, since it uses less digits than its factorization.

111304431412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9427 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 111304431412443 its reverse (344214134403111), we get a palindrome (455518565815554).

The spelling of 111304431412443 in words is "one hundred eleven trillion, three hundred four billion, four hundred thirty-one million, four hundred twelve thousand, four hundred forty-three".