1135305525509 has 2 divisors, whose sum is σ = 1135305525510. Its totient is φ = 1135305525508.

The previous prime is 1135305525493. The next prime is 1135305525527. The reversal of 1135305525509 is 9055255035311.

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., 1130294301409 + 5011224100 = 1063153^2 + 70790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135305525509 - 2⁴ = 1135305525493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1135305525509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135305525209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567652762754 + 567652762755.

It is an arithmetic number, because the mean of its divisors is an integer number (567652762755).

Almost surely, 2^{1135305525509} is an apocalyptic number.

It is an amenable number.

1135305525509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135305525509 is an equidigital number, since it uses as much as digits as its factorization.

1135305525509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 506250, while the sum is 44.

The spelling of 1135305525509 in words is "one trillion, one hundred thirty-five billion, three hundred five million, five hundred twenty-five thousand, five hundred nine".