225115117024 has 96 divisors (see below), whose sum is σ = 523943562240. Its totient is φ = 93194592768.

The previous prime is 225115116971. The next prime is 225115117033. The reversal of 225115117024 is 420711511522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054329 + ... + 1249735.

It is an arithmetic number, because the mean of its divisors is an integer number (5457745440).

Almost surely, 2^225115117024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225115117024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261971781120).

225115117024 is an abundant number, since it is smaller than the sum of its proper divisors (298828445216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225115117024 is a wasteful number, since it uses less digits than its factorization.

225115117024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195600 (or 195592 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 225115117024 its reverse (420711511522), we get a palindrome (645826628546).

The spelling of 225115117024 in words is "two hundred twenty-five billion, one hundred fifteen million, one hundred seventeen thousand, twenty-four".