115354531225 has 12 divisors (see below), whose sum is σ = 143653529916. Its totient is φ = 91887553280.

The previous prime is 115354531219. The next prime is 115354531291. The reversal of 115354531225 is 522135453511.

It can be written as a sum of positive squares in 6 ways, for example, as 3822577929 + 111531953296 = 61827^2 + 333964^2 .

It is not a de Polignac number, because 115354531225 - 2⁹ = 115354530713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9895852 + ... + 9907501.

It is an arithmetic number, because the mean of its divisors is an integer number (11971127493).

Almost surely, 2^115354531225 is an apocalyptic number.

It is an amenable number.

115354531225 is a deficient number, since it is larger than the sum of its proper divisors (28298998691).

115354531225 is a wasteful number, since it uses less digits than its factorization.

115354531225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803596 (or 19803591 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

Adding to 115354531225 its reverse (522135453511), we get a palindrome (637489984736).

The spelling of 115354531225 in words is "one hundred fifteen billion, three hundred fifty-four million, five hundred thirty-one thousand, two hundred twenty-five".