11850129228 has 144 divisors (see below), whose sum is σ = 33928917120. Its totient is φ = 3200795136.

The previous prime is 11850129217. The next prime is 11850129241. The reversal of 11850129228 is 82292105811.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7629700 + ... + 7631252.

It is an arithmetic number, because the mean of its divisors is an integer number (235617480).

Almost surely, 2^11850129228 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 11850129228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16964458560).

11850129228 is an abundant number, since it is smaller than the sum of its proper divisors (22078787892).

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

11850129228 is a wasteful number, since it uses less digits than its factorization.

11850129228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 11850129228 in words is "eleven billion, eight hundred fifty million, one hundred twenty-nine thousand, two hundred twenty-eight".