115231531130225 has 6 divisors (see below), whose sum is σ = 142887098601510. Its totient is φ = 92185224904160.

The previous prime is 115231531130201. The next prime is 115231531130281. The reversal of 115231531130225 is 522031135132511.

It can be written as a sum of positive squares in 3 ways, for example, as 1736088206449 + 113495442923776 = 1317607^2 + 10653424^2 .

It is not a de Polignac number, because 115231531130225 - 2⁶ = 115231531130161 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, 2304630622580 + ... + 2304630622629.

It is an arithmetic number, because the mean of its divisors is an integer number (23814516433585).

Almost surely, 2^{115231531130225} is an apocalyptic number.

It is an amenable number.

115231531130225 is a deficient number, since it is larger than the sum of its proper divisors (27655567471285).

115231531130225 is an equidigital number, since it uses as much as digits as its factorization.

115231531130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609261245219 (or 4609261245214 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 115231531130225 its reverse (522031135132511), we get a palindrome (637262666262736).

The spelling of 115231531130225 in words is "one hundred fifteen trillion, two hundred thirty-one billion, five hundred thirty-one million, one hundred thirty thousand, two hundred twenty-five".