225253203111 has 24 divisors (see below), whose sum is σ = 326155639680. Its totient is φ = 149804450496.

The previous prime is 225253203073. The next prime is 225253203113. The reversal of 225253203111 is 111302352522.

225253203111 is a `hidden beast` number, since 2 + 2 + 5 + 25 + 320 + 311 + 1 = 666.

It is not a de Polignac number, because 225253203111 - 2⁹ = 225253202599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225253203113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16085965 + ... + 16099961.

It is an arithmetic number, because the mean of its divisors is an integer number (13589818320).

Almost surely, 2^225253203111 is an apocalyptic number.

225253203111 is a deficient number, since it is larger than the sum of its proper divisors (100902436569).

225253203111 is a wasteful number, since it uses less digits than its factorization.

225253203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18215 (or 18212 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 225253203111 its reverse (111302352522), we get a palindrome (336555555633).

The spelling of 225253203111 in words is "two hundred twenty-five billion, two hundred fifty-three million, two hundred three thousand, one hundred eleven".