113253135181 has 2 divisors, whose sum is σ = 113253135182. Its totient is φ = 113253135180.

The previous prime is 113253135161. The next prime is 113253135187. The reversal of 113253135181 is 181531352311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113087601225 + 165533956 = 336285^2 + 12866^2 .

It is an emirp because it is prime and its reverse (181531352311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113253135181 - 2⁷ = 113253135053 is a prime.

It is a super-2 number, since 2×113253135181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113253135187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56626567590 + 56626567591.

It is an arithmetic number, because the mean of its divisors is an integer number (56626567591).

Almost surely, 2^113253135181 is an apocalyptic number.

It is an amenable number.

113253135181 is a deficient number, since it is larger than the sum of its proper divisors (1).

113253135181 is an equidigital number, since it uses as much as digits as its factorization.

113253135181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

Adding to 113253135181 its reverse (181531352311), we get a palindrome (294784487492).

The spelling of 113253135181 in words is "one hundred thirteen billion, two hundred fifty-three million, one hundred thirty-five thousand, one hundred eighty-one".