111444042411442 has 12 divisors (see below), whose sum is σ = 181014139893690. Its totient is φ = 51435711882048.

The previous prime is 111444042411439. The next prime is 111444042411511. The reversal of 111444042411442 is 244114240444111.

It can be written as a sum of positive squares in 3 ways, for example, as 89765790219361 + 21678252192081 = 9474481^2 + 4655991^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164858050567 + ... + 164858051242.

Almost surely, 2^{111444042411442} is an apocalyptic number.

111444042411442 is a deficient number, since it is larger than the sum of its proper divisors (69570097482248).

111444042411442 is a wasteful number, since it uses less digits than its factorization.

111444042411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329716101837 (or 329716101824 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 37.

Adding to 111444042411442 its reverse (244114240444111), we get a palindrome (355558282855553).

The spelling of 111444042411442 in words is "one hundred eleven trillion, four hundred forty-four billion, forty-two million, four hundred eleven thousand, four hundred forty-two".