113535523430509 has 2 divisors, whose sum is σ = 113535523430510. Its totient is φ = 113535523430508.

The previous prime is 113535523430507. The next prime is 113535523430569. The reversal of 113535523430509 is 905034325535311.

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., 112751374218025 + 784149212484 = 10618445^2 + 885522^2 .

It is a cyclic number.

It is not a de Polignac number, because 113535523430509 - 2¹ = 113535523430507 is a prime.

Together with 113535523430507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113535523430507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56767761715254 + 56767761715255.

It is an arithmetic number, because the mean of its divisors is an integer number (56767761715255).

Almost surely, 2^{113535523430509} is an apocalyptic number.

It is an amenable number.

113535523430509 is a deficient number, since it is larger than the sum of its proper divisors (1).

113535523430509 is an equidigital number, since it uses as much as digits as its factorization.

113535523430509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645000, while the sum is 49.

The spelling of 113535523430509 in words is "one hundred thirteen trillion, five hundred thirty-five billion, five hundred twenty-three million, four hundred thirty thousand, five hundred nine".