11809052366389 has 2 divisors, whose sum is σ = 11809052366390. Its totient is φ = 11809052366388.

The previous prime is 11809052366329. The next prime is 11809052366513. The reversal of 11809052366389 is 98366325090811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10050060253489 + 1758992112900 = 3170183^2 + 1326270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11809052366389 - 2¹¹ = 11809052364341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11809052366329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5904526183194 + 5904526183195.

It is an arithmetic number, because the mean of its divisors is an integer number (5904526183195).

Almost surely, 2^{11809052366389} is an apocalyptic number.

It is an amenable number.

11809052366389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11809052366389 is an equidigital number, since it uses as much as digits as its factorization.

11809052366389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 11809052366389 in words is "eleven trillion, eight hundred nine billion, fifty-two million, three hundred sixty-six thousand, three hundred eighty-nine".