111441441 has 8 divisors (see below), whose sum is σ = 156409120. Its totient is φ = 70384032.

The previous prime is 111441437. The next prime is 111441469. The reversal of 111441441 is 144144111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111441441 - 2² = 111441437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111441401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977500 + ... + 977613.

It is an arithmetic number, because the mean of its divisors is an integer number (19551140).

Almost surely, 2^111441441 is an apocalyptic number.

It is an amenable number.

111441441 is a deficient number, since it is larger than the sum of its proper divisors (44967679).

111441441 is a wasteful number, since it uses less digits than its factorization.

111441441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955135.

The product of its digits is 256, while the sum is 21.

The square root of 111441441 is about 10556.5828277904. The cubic root of 111441441 is about 481.2258035622.

Adding to 111441441 its reverse (144144111), we get a palindrome (255585552).

It can be divided in two parts, 11 and 1441441, that multiplied together give a palindrome (15855851).

The spelling of 111441441 in words is "one hundred eleven million, four hundred forty-one thousand, four hundred forty-one".