225542312512 has 112 divisors (see below), whose sum is σ = 503646765120. Its totient is φ = 99310233600.

The previous prime is 225542312507. The next prime is 225542312531. The reversal of 225542312512 is 215213245522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5946087 + ... + 5983897.

Almost surely, 2^225542312512 is an apocalyptic number.

225542312512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225542312512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251823382560).

225542312512 is an abundant number, since it is smaller than the sum of its proper divisors (278104452608).

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

225542312512 is a wasteful number, since it uses less digits than its factorization.

225542312512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38100 (or 38090 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The spelling of 225542312512 in words is "two hundred twenty-five billion, five hundred forty-two million, three hundred twelve thousand, five hundred twelve".