113325131405 has 4 divisors (see below), whose sum is σ = 135990157692. Its totient is φ = 90660105120.

The previous prime is 113325131351. The next prime is 113325131461. The reversal of 113325131405 is 504131523311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89713428484 + 23611702921 = 299522^2 + 153661^2 .

It is not a de Polignac number, because 113325131405 - 2²⁰ = 113324082829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 11332513136 + ... + 11332513145.

It is an arithmetic number, because the mean of its divisors is an integer number (33997539423).

Almost surely, 2^113325131405 is an apocalyptic number.

It is an amenable number.

113325131405 is a deficient number, since it is larger than the sum of its proper divisors (22665026287).

113325131405 is an equidigital number, since it uses as much as digits as its factorization.

113325131405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22665026286.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 113325131405 its reverse (504131523311), we get a palindrome (617456654716).

The spelling of 113325131405 in words is "one hundred thirteen billion, three hundred twenty-five million, one hundred thirty-one thousand, four hundred five".