225016261011 has 20 divisors (see below), whose sum is σ = 336678507000. Its totient is φ = 149768463456.

The previous prime is 225016260907. The next prime is 225016261117. The reversal of 225016261011 is 110162610522.

225016261011 is a `hidden beast` number, since 2 + 25 + 0 + 1 + 626 + 1 + 0 + 11 = 666.

It is not a de Polignac number, because 225016261011 - 2¹³ = 225016252819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225016260011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2193786 + ... + 2294063.

It is an arithmetic number, because the mean of its divisors is an integer number (16833925350).

Almost surely, 2^225016261011 is an apocalyptic number.

225016261011 is a deficient number, since it is larger than the sum of its proper divisors (111662245989).

225016261011 is an equidigital number, since it uses as much as digits as its factorization.

225016261011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488480 (or 4488471 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 225016261011 its reverse (110162610522), we get a palindrome (335178871533).

The spelling of 225016261011 in words is "two hundred twenty-five billion, sixteen million, two hundred sixty-one thousand, eleven".