111544275660841 has 2 divisors, whose sum is σ = 111544275660842. Its totient is φ = 111544275660840.

The previous prime is 111544275660809. The next prime is 111544275660907. The reversal of 111544275660841 is 148066572445111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85072952250000 + 26471323410841 = 9223500^2 + 5145029^2 .

It is a cyclic number.

It is not a de Polignac number, because 111544275660841 - 2⁵ = 111544275660809 is a prime.

It is not a weakly prime, because it can be changed into another prime (111544275664841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55772137830420 + 55772137830421.

It is an arithmetic number, because the mean of its divisors is an integer number (55772137830421).

Almost surely, 2^{111544275660841} is an apocalyptic number.

It is an amenable number.

111544275660841 is a deficient number, since it is larger than the sum of its proper divisors (1).

111544275660841 is an equidigital number, since it uses as much as digits as its factorization.

111544275660841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 111544275660841 in words is "one hundred eleven trillion, five hundred forty-four billion, two hundred seventy-five million, six hundred sixty thousand, eight hundred forty-one".