115224345250405 has 4 divisors (see below), whose sum is σ = 138269214300492. Its totient is φ = 92179476200320.

The previous prime is 115224345250403. The next prime is 115224345250423. The reversal of 115224345250405 is 504052543422511.

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 26217328721796 + 89007016528609 = 5120286^2 + 9434353^2 .

It is not a de Polignac number, because 115224345250405 - 2¹ = 115224345250403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115224345250403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11522434525036 + ... + 11522434525045.

It is an arithmetic number, because the mean of its divisors is an integer number (34567303575123).

Almost surely, 2^{115224345250405} is an apocalyptic number.

It is an amenable number.

115224345250405 is a deficient number, since it is larger than the sum of its proper divisors (23044869050087).

115224345250405 is an equidigital number, since it uses as much as digits as its factorization.

115224345250405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23044869050086.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 115224345250405 its reverse (504052543422511), we get a palindrome (619276888672916).

The spelling of 115224345250405 in words is "one hundred fifteen trillion, two hundred twenty-four billion, three hundred forty-five million, two hundred fifty thousand, four hundred five".