225081305016 has 32 divisors (see below), whose sum is σ = 569482824960. Its totient is φ = 74123160032.

The previous prime is 225081304993. The next prime is 225081305047. The reversal of 225081305016 is 610503180522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56494320 + ... + 56498303.

It is an arithmetic number, because the mean of its divisors is an integer number (17796338280).

Almost surely, 2^225081305016 is an apocalyptic number.

It is an amenable number.

225081305016 is an abundant number, since it is smaller than the sum of its proper divisors (344401519944).

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

225081305016 is a wasteful number, since it uses less digits than its factorization.

225081305016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112992715 (or 112992711 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 225081305016 its reverse (610503180522), we get a palindrome (835584485538).

The spelling of 225081305016 in words is "two hundred twenty-five billion, eighty-one million, three hundred five thousand, sixteen".