225711612104 has 48 divisors (see below), whose sum is σ = 465540048960. Its totient is φ = 102516876000.

The previous prime is 225711612053. The next prime is 225711612167. The reversal of 225711612104 is 401216117522.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171829 + ... + 1350779.

It is an arithmetic number, because the mean of its divisors is an integer number (9698751020).

Almost surely, 2^225711612104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225711612104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232770024480).

225711612104 is an abundant number, since it is smaller than the sum of its proper divisors (239828436856).

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

225711612104 is a wasteful number, since it uses less digits than its factorization.

225711612104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180282 (or 180267 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 225711612104 its reverse (401216117522), we get a palindrome (626927729626).

The spelling of 225711612104 in words is "two hundred twenty-five billion, seven hundred eleven million, six hundred twelve thousand, one hundred four".