11440240109 has 2 divisors, whose sum is σ = 11440240110. Its totient is φ = 11440240108.

The previous prime is 11440240069. The next prime is 11440240223. The reversal of 11440240109 is 90104204411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7709718025 + 3730522084 = 87805^2 + 61078^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440240109 - 2¹⁶ = 11440174573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11440242109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720120054 + 5720120055.

It is an arithmetic number, because the mean of its divisors is an integer number (5720120055).

Almost surely, 2^11440240109 is an apocalyptic number.

It is an amenable number.

11440240109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11440240109 is an equidigital number, since it uses as much as digits as its factorization.

11440240109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 11440240109 in words is "eleven billion, four hundred forty million, two hundred forty thousand, one hundred nine".