115145312225 has 12 divisors (see below), whose sum is σ = 143010869040. Its totient is φ = 91967422800.

The previous prime is 115145312213. The next prime is 115145312239. The reversal of 115145312225 is 522213541511.

It is not a de Polignac number, because 115145312225 - 2¹⁸ = 115145050081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115145312191 and 115145312200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3704891 + ... + 3735840.

It is an arithmetic number, because the mean of its divisors is an integer number (11917572420).

Almost surely, 2^115145312225 is an apocalyptic number.

It is an amenable number.

115145312225 is a deficient number, since it is larger than the sum of its proper divisors (27865556815).

115145312225 is an equidigital number, since it uses as much as digits as its factorization.

115145312225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441360 (or 7441355 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

Adding to 115145312225 its reverse (522213541511), we get a palindrome (637358853736).

The spelling of 115145312225 in words is "one hundred fifteen billion, one hundred forty-five million, three hundred twelve thousand, two hundred twenty-five".