225206311112 has 32 divisors (see below), whose sum is σ = 440646497280. Its totient is φ = 107701144320.

The previous prime is 225206311097. The next prime is 225206311123. The reversal of 225206311112 is 211113602522.

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, 5549648 + ... + 5590080.

It is an arithmetic number, because the mean of its divisors is an integer number (13770203040).

Almost surely, 2^225206311112 is an apocalyptic number.

It is an amenable number.

225206311112 is a deficient number, since it is larger than the sum of its proper divisors (215440186168).

225206311112 is a wasteful number, since it uses less digits than its factorization.

225206311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70733 (or 70729 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 225206311112 its reverse (211113602522), we get a palindrome (436319913634).

The spelling of 225206311112 in words is "two hundred twenty-five billion, two hundred six million, three hundred eleven thousand, one hundred twelve".