11320329989 has 2 divisors, whose sum is σ = 11320329990. Its totient is φ = 11320329988.

The previous prime is 11320329967. The next prime is 11320330013. The reversal of 11320329989 is 98992302311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8182649764 + 3137680225 = 90458^2 + 56015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320329989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320329689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660164994 + 5660164995.

It is an arithmetic number, because the mean of its divisors is an integer number (5660164995).

Almost surely, 2^11320329989 is an apocalyptic number.

It is an amenable number.

11320329989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320329989 is an equidigital number, since it uses as much as digits as its factorization.

11320329989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 11320329989 in words is "eleven billion, three hundred twenty million, three hundred twenty-nine thousand, nine hundred eighty-nine".