115578303040225 has 27 divisors (see below), whose sum is σ = 148431479269593. Its totient is φ = 89273071369440.

The previous prime is 115578303040153. The next prime is 115578303040231. The reversal of 115578303040225 is 522040303875511.

The square root of 115578303040225 is 10750735.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1588686305761 + 113989616734464 = 1260431^2 + 10676592^2 .

It is not a de Polignac number, because 115578303040225 - 2²¹ = 115578300943073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1558819504 + ... + 1558893646.

Almost surely, 2^{115578303040225} is an apocalyptic number.

115578303040225 is the 10750735-th square number.

115578303040225 is the 5375368-th centered octagonal number.

It is an amenable number.

115578303040225 is a deficient number, since it is larger than the sum of its proper divisors (32853176229368).

115578303040225 is an frugal number, since it uses more digits than its factorization.

115578303040225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148354 (or 74177 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 115578303040225 in words is "one hundred fifteen trillion, five hundred seventy-eight billion, three hundred three million, forty thousand, two hundred twenty-five".