11238337309 has 2 divisors, whose sum is σ = 11238337310. Its totient is φ = 11238337308.

The previous prime is 11238337289. The next prime is 11238337321. The reversal of 11238337309 is 90373383211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10692180409 + 546156900 = 103403^2 + 23370^2 .

It is a cyclic number.

It is not a de Polignac number, because 11238337309 - 2¹⁹ = 11237813021 is a prime.

It is a super-2 number, since 2×11238337309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11238334309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619168654 + 5619168655.

It is an arithmetic number, because the mean of its divisors is an integer number (5619168655).

Almost surely, 2^11238337309 is an apocalyptic number.

It is an amenable number.

11238337309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11238337309 is an equidigital number, since it uses as much as digits as its factorization.

11238337309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 11238337309 in words is "eleven billion, two hundred thirty-eight million, three hundred thirty-seven thousand, three hundred nine".