225054105102 has 80 divisors (see below), whose sum is σ = 520803499392. Its totient is φ = 72563480640.

The previous prime is 225054105091. The next prime is 225054105191. The reversal of 225054105102 is 201501450522.

225054105102 is a `hidden beast` number, since 22 + 50 + 541 + 0 + 51 + 0 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11827348 + ... + 11846360.

Almost surely, 2^225054105102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225054105102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260401749696).

225054105102 is an abundant number, since it is smaller than the sum of its proper divisors (295749394290).

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

225054105102 is a wasteful number, since it uses less digits than its factorization.

225054105102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21415 (or 21406 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 225054105102 its reverse (201501450522), we get a palindrome (426555555624).

The spelling of 225054105102 in words is "two hundred twenty-five billion, fifty-four million, one hundred five thousand, one hundred two".