111432440043412 has 12 divisors (see below), whose sum is σ = 195585425182420. Its totient is φ = 55550889991296.

The previous prime is 111432440043401. The next prime is 111432440043427. The reversal of 111432440043412 is 214340044234111.

It can be written as a sum of positive squares in 2 ways, for example, as 60991820195076 + 50440619848336 = 7809726^2 + 7102156^2 .

It is a super-2 number, since 2×111432440043412² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41332506087 + ... + 41332508782.

Almost surely, 2^{111432440043412} is an apocalyptic number.

It is an amenable number.

111432440043412 is a deficient number, since it is larger than the sum of its proper divisors (84152985139008).

111432440043412 is a wasteful number, since it uses less digits than its factorization.

111432440043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82665015210 (or 82665015208 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 111432440043412 its reverse (214340044234111), we get a palindrome (325772484277523).

The spelling of 111432440043412 in words is "one hundred eleven trillion, four hundred thirty-two billion, four hundred forty million, forty-three thousand, four hundred twelve".