11800478272 has 56 divisors (see below), whose sum is σ = 25621670880. Its totient is φ = 5347829760.

The previous prime is 11800478231. The next prime is 11800478293. The reversal of 11800478272 is 27287400811.

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, 212379 + ... + 262117.

Almost surely, 2^11800478272 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 11800478272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12810835440).

11800478272 is an abundant number, since it is smaller than the sum of its proper divisors (13821192608).

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

11800478272 is a wasteful number, since it uses less digits than its factorization.

11800478272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50099 (or 50089 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The spelling of 11800478272 in words is "eleven billion, eight hundred million, four hundred seventy-eight thousand, two hundred seventy-two".