115231231154225 has 6 divisors (see below), whose sum is σ = 142886726631270. Its totient is φ = 92184984923360.

The previous prime is 115231231154131. The next prime is 115231231154233. The reversal of 115231231154225 is 522451132132511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20707705527184 + 94523525627041 = 4550572^2 + 9722321^2 .

It is not a de Polignac number, because 115231231154225 - 2²⁴ = 115231214377009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2304624623060 + ... + 2304624623109.

It is an arithmetic number, because the mean of its divisors is an integer number (23814454438545).

Almost surely, 2^{115231231154225} is an apocalyptic number.

It is an amenable number.

115231231154225 is a deficient number, since it is larger than the sum of its proper divisors (27655495477045).

115231231154225 is an equidigital number, since it uses as much as digits as its factorization.

115231231154225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609249246179 (or 4609249246174 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

Adding to 115231231154225 its reverse (522451132132511), we get a palindrome (637682363286736).

The spelling of 115231231154225 in words is "one hundred fifteen trillion, two hundred thirty-one billion, two hundred thirty-one million, one hundred fifty-four thousand, two hundred twenty-five".