111345454241 has 12 divisors (see below), whose sum is σ = 129549131460. Its totient is φ = 95420666880.

The previous prime is 111345454223. The next prime is 111345454271. The reversal of 111345454241 is 142454543111.

It can be written as a sum of positive squares in 2 ways, for example, as 8884005025 + 102461449216 = 94255^2 + 320096^2 .

It is not a de Polignac number, because 111345454241 - 2⁶ = 111345454177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111345454201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43625 + ... + 473913.

It is an arithmetic number, because the mean of its divisors is an integer number (10795760955).

Almost surely, 2^111345454241 is an apocalyptic number.

It is an amenable number.

111345454241 is a deficient number, since it is larger than the sum of its proper divisors (18203677219).

111345454241 is an equidigital number, since it uses as much as digits as its factorization.

111345454241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435584 (or 435577 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

Adding to 111345454241 its reverse (142454543111), we get a palindrome (253799997352).

The spelling of 111345454241 in words is "one hundred eleven billion, three hundred forty-five million, four hundred fifty-four thousand, two hundred forty-one".