111441452081 has 8 divisors (see below), whose sum is σ = 115040176128. Its totient is φ = 107842968000.

The previous prime is 111441452033. The next prime is 111441452093. The reversal of 111441452081 is 180254144111.

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

It is a cyclic number.

It is not a de Polignac number, because 111441452081 - 2¹⁰ = 111441451057 is a prime.

It is a super-2 number, since 2×111441452081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111441452021) 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, 1782176 + ... + 1843646.

It is an arithmetic number, because the mean of its divisors is an integer number (14380022016).

Almost surely, 2^111441452081 is an apocalyptic number.

It is an amenable number.

111441452081 is a deficient number, since it is larger than the sum of its proper divisors (3598724047).

111441452081 is an equidigital number, since it uses as much as digits as its factorization.

111441452081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119983.

The product of its (nonzero) digits is 5120, while the sum is 32.

Adding to 111441452081 its reverse (180254144111), we get a palindrome (291695596192).

The spelling of 111441452081 in words is "one hundred eleven billion, four hundred forty-one million, four hundred fifty-two thousand, eighty-one".