11001310009 has 2 divisors, whose sum is σ = 11001310010. Its totient is φ = 11001310008.

The previous prime is 11001310007. The next prime is 11001310013. The reversal of 11001310009 is 90001310011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7766544384 + 3234765625 = 88128^2 + 56875^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001310009 - 2¹ = 11001310007 is a prime.

Together with 11001310007, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11001309974 and 11001310001.

It is not a weakly prime, because it can be changed into another prime (11001310007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500655004 + 5500655005.

It is an arithmetic number, because the mean of its divisors is an integer number (5500655005).

Almost surely, 2^11001310009 is an apocalyptic number.

It is an amenable number.

11001310009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001310009 is an equidigital number, since it uses as much as digits as its factorization.

11001310009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The spelling of 11001310009 in words is "eleven billion, one million, three hundred ten thousand, nine".