11053332509 has 2 divisors, whose sum is σ = 11053332510. Its totient is φ = 11053332508.

The previous prime is 11053332487. The next prime is 11053332547. The reversal of 11053332509 is 90523335011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10677088900 + 376243609 = 103330^2 + 19397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11053332509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11053332109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5526666254 + 5526666255.

It is an arithmetic number, because the mean of its divisors is an integer number (5526666255).

Almost surely, 2^11053332509 is an apocalyptic number.

It is an amenable number.

11053332509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11053332509 is an equidigital number, since it uses as much as digits as its factorization.

11053332509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The spelling of 11053332509 in words is "eleven billion, fifty-three million, three hundred thirty-two thousand, five hundred nine".