115155433213225 has 48 divisors (see below), whose sum is σ = 147748343500800. Its totient is φ = 88941326745600.

The previous prime is 115155433213217. The next prime is 115155433213259. The reversal of 115155433213225 is 522312334551511.

It is not a de Polignac number, because 115155433213225 - 2³ = 115155433213217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2972731057 + ... + 2972769793.

It is an arithmetic number, because the mean of its divisors is an integer number (3078090489600).

Almost surely, 2^{115155433213225} is an apocalyptic number.

It is an amenable number.

115155433213225 is a deficient number, since it is larger than the sum of its proper divisors (32592910287575).

115155433213225 is a wasteful number, since it uses less digits than its factorization.

115155433213225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47770 (or 47765 counting only the distinct ones).

The product of its digits is 540000, while the sum is 43.

Adding to 115155433213225 its reverse (522312334551511), we get a palindrome (637467767764736).

The spelling of 115155433213225 in words is "one hundred fifteen trillion, one hundred fifty-five billion, four hundred thirty-three million, two hundred thirteen thousand, two hundred twenty-five".