225105011 has 4 divisors (see below), whose sum is σ = 225655800. Its totient is φ = 224554224.

The previous prime is 225104993. The next prime is 225105031. The reversal of 225105011 is 110501522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225105011 - 2¹⁴ = 225088627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225105031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274781 + ... + 275598.

It is an arithmetic number, because the mean of its divisors is an integer number (56413950).

Almost surely, 2^225105011 is an apocalyptic number.

225105011 is a deficient number, since it is larger than the sum of its proper divisors (550789).

225105011 is an equidigital number, since it uses as much as digits as its factorization.

225105011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550788.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 225105011 is about 15003.4999583431. The cubic root of 225105011 is about 608.3148067834.

Adding to 225105011 its reverse (110501522), we get a palindrome (335606533).

The spelling of 225105011 in words is "two hundred twenty-five million, one hundred five thousand, eleven".