115502201225 has 24 divisors (see below), whose sum is σ = 148246475160. Its totient is φ = 89164293120.

The previous prime is 115502201203. The next prime is 115502201231. The reversal of 115502201225 is 522102205511.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 7269097081 + 108233104144 = 85259^2 + 328988^2 .

It is not a de Polignac number, because 115502201225 - 2⁸ = 115502200969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115502201194 and 115502201203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1243499 + ... + 1333151.

It is an arithmetic number, because the mean of its divisors is an integer number (6176936465).

Almost surely, 2^115502201225 is an apocalyptic number.

It is an amenable number.

115502201225 is a deficient number, since it is larger than the sum of its proper divisors (32744273935).

115502201225 is a wasteful number, since it uses less digits than its factorization.

115502201225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91469 (or 91464 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 115502201225 its reverse (522102205511), we get a palindrome (637604406736).

The spelling of 115502201225 in words is "one hundred fifteen billion, five hundred two million, two hundred one thousand, two hundred twenty-five".