111444143211 has 6 divisors (see below), whose sum is σ = 160974873540. Its totient is φ = 74296095468.

The previous prime is 111444143131. The next prime is 111444143257. The reversal of 111444143211 is 112341444111.

111444143211 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 441 + 4 + 3 + 211 = 666.

It is not a de Polignac number, because 111444143211 - 2¹⁸ = 111443881067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111444143011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6191341281 + ... + 6191341298.

It is an arithmetic number, because the mean of its divisors is an integer number (26829145590).

Almost surely, 2^111444143211 is an apocalyptic number.

111444143211 is a deficient number, since it is larger than the sum of its proper divisors (49530730329).

111444143211 is a wasteful number, since it uses less digits than its factorization.

111444143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382682585 (or 12382682582 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 111444143211 its reverse (112341444111), we get a palindrome (223785587322).

The spelling of 111444143211 in words is "one hundred eleven billion, four hundred forty-four million, one hundred forty-three thousand, two hundred eleven".