113053542509 has 2 divisors, whose sum is σ = 113053542510. Its totient is φ = 113053542508.

The previous prime is 113053542491. The next prime is 113053542533. The reversal of 113053542509 is 905245350311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94569780484 + 18483762025 = 307522^2 + 135955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113053542509 is a prime.

It is a super-2 number, since 2×113053542509² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113053542109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56526771254 + 56526771255.

It is an arithmetic number, because the mean of its divisors is an integer number (56526771255).

Almost surely, 2^113053542509 is an apocalyptic number.

It is an amenable number.

113053542509 is a deficient number, since it is larger than the sum of its proper divisors (1).

113053542509 is an equidigital number, since it uses as much as digits as its factorization.

113053542509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 113053542509 in words is "one hundred thirteen billion, fifty-three million, five hundred forty-two thousand, five hundred nine".