11844445061 has 2 divisors, whose sum is σ = 11844445062. Its totient is φ = 11844445060.

The previous prime is 11844445021. The next prime is 11844445087. The reversal of 11844445061 is 16054444811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6710722561 + 5133722500 = 81919^2 + 71650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11844445061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11844445021) 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, 5922222530 + 5922222531.

It is an arithmetic number, because the mean of its divisors is an integer number (5922222531).

Almost surely, 2^11844445061 is an apocalyptic number.

It is an amenable number.

11844445061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11844445061 is an equidigital number, since it uses as much as digits as its factorization.

11844445061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 38.

Adding to 11844445061 its reverse (16054444811), we get a palindrome (27898889872).

The spelling of 11844445061 in words is "eleven billion, eight hundred forty-four million, four hundred forty-five thousand, sixty-one".