11311320200989 has 2 divisors, whose sum is σ = 11311320200990. Its totient is φ = 11311320200988.

The previous prime is 11311320200987. The next prime is 11311320201031. The reversal of 11311320200989 is 98900202311311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10179500824089 + 1131819376900 = 3190533^2 + 1063870^2 .

It is an emirp because it is prime and its reverse (98900202311311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11311320200989 - 2¹ = 11311320200987 is a prime.

Together with 11311320200987, 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 (11311320200987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655660100494 + 5655660100495.

It is an arithmetic number, because the mean of its divisors is an integer number (5655660100495).

Almost surely, 2^{11311320200989} is an apocalyptic number.

It is an amenable number.

11311320200989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311320200989 is an equidigital number, since it uses as much as digits as its factorization.

11311320200989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 11311320200989 in words is "eleven trillion, three hundred eleven billion, three hundred twenty million, two hundred thousand, nine hundred eighty-nine".