441532111109 has 2 divisors, whose sum is σ = 441532111110. Its totient is φ = 441532111108.

The previous prime is 441532111093. The next prime is 441532111127. The reversal of 441532111109 is 901111235144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440809684225 + 722426884 = 663935^2 + 26878^2 .

It is a cyclic number.

It is not a de Polignac number, because 441532111109 - 2⁴ = 441532111093 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 (441532111129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220766055554 + 220766055555.

It is an arithmetic number, because the mean of its divisors is an integer number (220766055555).

Almost surely, 2^441532111109 is an apocalyptic number.

It is an amenable number.

441532111109 is a deficient number, since it is larger than the sum of its proper divisors (1).

441532111109 is an equidigital number, since it uses as much as digits as its factorization.

441532111109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 441532111109 in words is "four hundred forty-one billion, five hundred thirty-two million, one hundred eleven thousand, one hundred nine".