44111121111 has 12 divisors (see below), whose sum is σ = 63718542160. Its totient is φ = 29406270240.

The previous prime is 44111121101. The next prime is 44111121149. The reversal of 44111121111 is 11112111144.

It is a happy number.

44111121111 is a `hidden beast` number, since 441 + 1 + 1 + 1 + 211 + 11 = 666.

44111121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44111121111 - 2¹³ = 44111112919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44111121101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195675 + ... + 355683.

Almost surely, 2^44111121111 is an apocalyptic number.

44111121111 is a deficient number, since it is larger than the sum of its proper divisors (19607421049).

44111121111 is a wasteful number, since it uses less digits than its factorization.

44111121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190646 (or 190643 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

Adding to 44111121111 its reverse (11112111144), we get a palindrome (55223232255).

The spelling of 44111121111 in words is "forty-four billion, one hundred eleven million, one hundred twenty-one thousand, one hundred eleven".