11824771325989 has 2 divisors, whose sum is σ = 11824771325990. Its totient is φ = 11824771325988.

The previous prime is 11824771325987. The next prime is 11824771325999. The reversal of 11824771325989 is 98952317742811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9002052116964 + 2822719209025 = 3000342^2 + 1680095^2 .

It is a cyclic number.

It is not a de Polignac number, because 11824771325989 - 2¹ = 11824771325987 is a prime.

Together with 11824771325987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11824771325987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5912385662994 + 5912385662995.

It is an arithmetic number, because the mean of its divisors is an integer number (5912385662995).

Almost surely, 2^{11824771325989} is an apocalyptic number.

It is an amenable number.

11824771325989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11824771325989 is an equidigital number, since it uses as much as digits as its factorization.

11824771325989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 67.

The spelling of 11824771325989 in words is "eleven trillion, eight hundred twenty-four billion, seven hundred seventy-one million, three hundred twenty-five thousand, nine hundred eighty-nine".