111441054209 has 2 divisors, whose sum is σ = 111441054210. Its totient is φ = 111441054208.

The previous prime is 111441054199. The next prime is 111441054251. The reversal of 111441054209 is 902450144111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97408282609 + 14032771600 = 312103^2 + 118460^2 .

It is a cyclic number.

It is not a de Polignac number, because 111441054209 - 2²⁴ = 111424276993 is a prime.

It is not a weakly prime, because it can be changed into another prime (111441054409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55720527104 + 55720527105.

It is an arithmetic number, because the mean of its divisors is an integer number (55720527105).

Almost surely, 2^111441054209 is an apocalyptic number.

It is an amenable number.

111441054209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111441054209 is an equidigital number, since it uses as much as digits as its factorization.

111441054209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 111441054209 in words is "one hundred eleven billion, four hundred forty-one million, fifty-four thousand, two hundred nine".