11371027009 has 2 divisors, whose sum is σ = 11371027010. Its totient is φ = 11371027008.

The previous prime is 11371027001. The next prime is 11371027021. The reversal of 11371027009 is 90072017311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6010590784 + 5360436225 = 77528^2 + 73215^2 .

It is a cyclic number.

It is not a de Polignac number, because 11371027009 - 2³ = 11371027001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11371027001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5685513504 + 5685513505.

It is an arithmetic number, because the mean of its divisors is an integer number (5685513505).

Almost surely, 2^11371027009 is an apocalyptic number.

It is an amenable number.

11371027009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11371027009 is an equidigital number, since it uses as much as digits as its factorization.

11371027009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 31.

The spelling of 11371027009 in words is "eleven billion, three hundred seventy-one million, twenty-seven thousand, nine".