111144040232 has 16 divisors (see below), whose sum is σ = 219363237600. Its totient is φ = 52647176880.

The previous prime is 111144040229. The next prime is 111144040237. The reversal of 111144040232 is 232040441111.

It is a super-2 number, since 2×111144040232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111144040198 and 111144040207.

It is not an unprimeable number, because it can be changed into a prime (111144040237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365605244 + ... + 365605547.

It is an arithmetic number, because the mean of its divisors is an integer number (13710202350).

Almost surely, 2^111144040232 is an apocalyptic number.

It is an amenable number.

111144040232 is a deficient number, since it is larger than the sum of its proper divisors (108219197368).

111144040232 is a wasteful number, since it uses less digits than its factorization.

111144040232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731210816 (or 731210812 counting only the distinct ones).

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

Adding to 111144040232 its reverse (232040441111), we get a palindrome (343184481343).

The spelling of 111144040232 in words is "one hundred eleven billion, one hundred forty-four million, forty thousand, two hundred thirty-two".