225176133156 has 96 divisors (see below), whose sum is σ = 573091706880. Its totient is φ = 68400059904.

The previous prime is 225176133109. The next prime is 225176133241. The reversal of 225176133156 is 651331671522.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4686205 + ... + 4734011.

It is an arithmetic number, because the mean of its divisors is an integer number (5969705280).

Almost surely, 2^225176133156 is an apocalyptic number.

225176133156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225176133156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286545853440).

225176133156 is an abundant number, since it is smaller than the sum of its proper divisors (347915573724).

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

225176133156 is a wasteful number, since it uses less digits than its factorization.

225176133156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48213 (or 48211 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The spelling of 225176133156 in words is "two hundred twenty-five billion, one hundred seventy-six million, one hundred thirty-three thousand, one hundred fifty-six".