111442044454541 has 8 divisors (see below), whose sum is σ = 111701750194944. Its totient is φ = 111182490107920.

The previous prime is 111442044454537. The next prime is 111442044454571. The reversal of 111442044454541 is 145454440244111.

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 111442044454541 - 2² = 111442044454537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111442044454492 and 111442044454501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442044454501) 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, 36374450 + ... + 39319011.

It is an arithmetic number, because the mean of its divisors is an integer number (13962718774368).

Almost surely, 2^{111442044454541} is an apocalyptic number.

It is an amenable number.

111442044454541 is a deficient number, since it is larger than the sum of its proper divisors (259705740403).

111442044454541 is an equidigital number, since it uses as much as digits as its factorization.

111442044454541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75696891.

The product of its (nonzero) digits is 819200, while the sum is 44.

Adding to 111442044454541 its reverse (145454440244111), we get a palindrome (256896484698652).

The spelling of 111442044454541 in words is "one hundred eleven trillion, four hundred forty-two billion, forty-four million, four hundred fifty-four thousand, five hundred forty-one".