225161256551106 has 16 divisors (see below), whose sum is σ = 450322764001344. Its totient is φ = 75053710367184.

The previous prime is 225161256551051. The next prime is 225161256551177. The reversal of 225161256551106 is 601155652161522.

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, 2434636 + ... + 21360008.

It is an arithmetic number, because the mean of its divisors is an integer number (28145172750084).

Almost surely, 2^{225161256551106} is an apocalyptic number.

225161256551106 is an abundant number, since it is smaller than the sum of its proper divisors (225161507450238).

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

225161256551106 is a wasteful number, since it uses less digits than its factorization.

225161256551106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20908265.

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 225161256551106 in words is "two hundred twenty-five trillion, one hundred sixty-one billion, two hundred fifty-six million, five hundred fifty-one thousand, one hundred six".