11805488272 has 20 divisors (see below), whose sum is σ = 24076983280. Its totient is φ = 5592073248.

The previous prime is 11805488257. The next prime is 11805488309. The reversal of 11805488272 is 27288450811.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19416618 + ... + 19417225.

It is an arithmetic number, because the mean of its divisors is an integer number (1203849164).

Almost surely, 2^11805488272 is an apocalyptic number.

It is an amenable number.

11805488272 is an abundant number, since it is smaller than the sum of its proper divisors (12271495008).

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

11805488272 is a wasteful number, since it uses less digits than its factorization.

11805488272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38833870 (or 38833864 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 46.

The spelling of 11805488272 in words is "eleven billion, eight hundred five million, four hundred eighty-eight thousand, two hundred seventy-two".