111043044461 has 2 divisors, whose sum is σ = 111043044462. Its totient is φ = 111043044460.

The previous prime is 111043044271. The next prime is 111043044493. The reversal of 111043044461 is 164440340111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69838104361 + 41204940100 = 264269^2 + 202990^2 .

It is a cyclic number.

It is not a de Polignac number, because 111043044461 - 2³⁰ = 109969302637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111043049461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521522230 + 55521522231.

It is an arithmetic number, because the mean of its divisors is an integer number (55521522231).

Almost surely, 2^111043044461 is an apocalyptic number.

It is an amenable number.

111043044461 is a deficient number, since it is larger than the sum of its proper divisors (1).

111043044461 is an equidigital number, since it uses as much as digits as its factorization.

111043044461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 111043044461 its reverse (164440340111), we get a palindrome (275483384572).

The spelling of 111043044461 in words is "one hundred eleven billion, forty-three million, forty-four thousand, four hundred sixty-one".