225000015000000 has 896 divisors, whose sum is σ = 813356717801472. Its totient is φ = 54647040000000.

The previous prime is 225000014999999. The next prime is 225000015000001. The reversal of 225000015000000 is 510000522.

It is an interprime number because it is at equal distance from previous prime (225000014999999) and next prime (225000015000001).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225000015000001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7904985769 + ... + 7905014231.

Almost surely, 2^{225000015000000} is an apocalyptic number.

225000015000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 15000000×15000001.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225000015000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406678358900736).

225000015000000 is an abundant number, since it is smaller than the sum of its proper divisors (588356702801472).

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

225000015000000 is an frugal number, since it uses more digits than its factorization.

225000015000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28561 (or 28521 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

Adding to 225000015000000 its reverse (510000522), we get a palindrome (225000525000522).

The spelling of 225000015000000 in words is "two hundred twenty-five trillion, fifteen million", and thus it is an aban number.