11435327509 has 2 divisors, whose sum is σ = 11435327510. Its totient is φ = 11435327508.

The previous prime is 11435327471. The next prime is 11435327537. The reversal of 11435327509 is 90572353411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6391203025 + 5044124484 = 79945^2 + 71022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11435327509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11435327539) 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, 5717663754 + 5717663755.

It is an arithmetic number, because the mean of its divisors is an integer number (5717663755).

Almost surely, 2^11435327509 is an apocalyptic number.

It is an amenable number.

11435327509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11435327509 is an equidigital number, since it uses as much as digits as its factorization.

11435327509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 11435327509 in words is "eleven billion, four hundred thirty-five million, three hundred twenty-seven thousand, five hundred nine".