225115273110 has 128 divisors (see below), whose sum is σ = 693867202560. Its totient is φ = 45431755776.

The previous prime is 225115273109. The next prime is 225115273139. The reversal of 225115273110 is 11372511522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1729815 + ... + 1855394.

It is an arithmetic number, because the mean of its divisors is an integer number (5420837520).

Almost surely, 2^225115273110 is an apocalyptic number.

225115273110 is an abundant number, since it is smaller than the sum of its proper divisors (468751929450).

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

225115273110 is a wasteful number, since it uses less digits than its factorization.

225115273110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585262.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 225115273110 its reverse (11372511522), we get a palindrome (236487784632).

The spelling of 225115273110 in words is "two hundred twenty-five billion, one hundred fifteen million, two hundred seventy-three thousand, one hundred ten".