111440044111 has 4 divisors (see below), whose sum is σ = 121570957224. Its totient is φ = 101309131000.

The previous prime is 111440044057. The next prime is 111440044151.

It is a happy number.

111440044111 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111440044111 - 2⁹ = 111440043599 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111440044151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065456540 + ... + 5065456561.

It is an arithmetic number, because the mean of its divisors is an integer number (30392739306).

Almost surely, 2^111440044111 is an apocalyptic number.

111440044111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111440044111 is a deficient number, since it is larger than the sum of its proper divisors (10130913113).

111440044111 is a wasteful number, since it uses less digits than its factorization.

111440044111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130913112.

The product of its (nonzero) digits is 256, while the sum is 22.

It can be divided in two parts, 1114400 and 44111, that added together give a palindrome (1158511).

The spelling of 111440044111 in words is "one hundred eleven billion, four hundred forty million, forty-four thousand, one hundred eleven".