11989759241 has 2 divisors, whose sum is σ = 11989759242. Its totient is φ = 11989759240.

The previous prime is 11989759211. The next prime is 11989759247. The reversal of 11989759241 is 14295798911.

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., 10940323216 + 1049436025 = 104596^2 + 32395^2 .

It is a cyclic number.

It is not a de Polignac number, because 11989759241 - 2¹⁴ = 11989742857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11989759247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994879620 + 5994879621.

It is an arithmetic number, because the mean of its divisors is an integer number (5994879621).

Almost surely, 2^11989759241 is an apocalyptic number.

It is an amenable number.

11989759241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11989759241 is an equidigital number, since it uses as much as digits as its factorization.

11989759241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 56.

The spelling of 11989759241 in words is "eleven billion, nine hundred eighty-nine million, seven hundred fifty-nine thousand, two hundred forty-one".