115119702478225 has 81 divisors (see below), whose sum is σ = 151265644016529. Its totient is φ = 86902868395200.

The previous prime is 115119702478223. The next prime is 115119702478229. The reversal of 115119702478225 is 522874207911511.

The square root of 115119702478225 is 10729385.

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 13645347869521 + 101474354608704 = 3693961^2 + 10073448^2 .

It is not a de Polignac number, because 115119702478225 - 2¹ = 115119702478223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115119702478223) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 97476462135 + ... + 97476463315.

Almost surely, 2^{115119702478225} is an apocalyptic number.

115119702478225 is the 10729385-th square number.

115119702478225 is the 5364693-rd centered octagonal number.

It is an amenable number.

115119702478225 is a deficient number, since it is larger than the sum of its proper divisors (36145941538304).

115119702478225 is an frugal number, since it uses more digits than its factorization.

115119702478225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 55.

The spelling of 115119702478225 in words is "one hundred fifteen trillion, one hundred nineteen billion, seven hundred two million, four hundred seventy-eight thousand, two hundred twenty-five".