111132424044431 has 4 divisors (see below), whose sum is σ = 111533624131512. Its totient is φ = 110731223957352.

The previous prime is 111132424044413. The next prime is 111132424044451. The reversal of 111132424044431 is 134440424231111.

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 111132424044431 - 2³⁸ = 110857546137487 is a prime.

It is a super-2 number, since 2×111132424044431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111132424044391 and 111132424044400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132424044451) 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 3 ways as a sum of consecutive naturals, for example, 200600043125 + ... + 200600043678.

It is an arithmetic number, because the mean of its divisors is an integer number (27883406032878).

Almost surely, 2^{111132424044431} is an apocalyptic number.

111132424044431 is a deficient number, since it is larger than the sum of its proper divisors (401200087081).

111132424044431 is an equidigital number, since it uses as much as digits as its factorization.

111132424044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401200087080.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 111132424044431 its reverse (134440424231111), we get a palindrome (245572848275542).

The spelling of 111132424044431 in words is "one hundred eleven trillion, one hundred thirty-two billion, four hundred twenty-four million, forty-four thousand, four hundred thirty-one".