11271808830 has 32 divisors (see below), whose sum is σ = 27055908000. Its totient is φ = 3005419392.

The previous prime is 11271808829. The next prime is 11271808859. The reversal of 11271808830 is 3880817211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260376 + ... + 300564.

It is an arithmetic number, because the mean of its divisors is an integer number (845497125).

Almost surely, 2^11271808830 is an apocalyptic number.

11271808830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11271808830 is an abundant number, since it is smaller than the sum of its proper divisors (15784099170).

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

11271808830 is a wasteful number, since it uses less digits than its factorization.

11271808830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49548.

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 11271808830 in words is "eleven billion, two hundred seventy-one million, eight hundred eight thousand, eight hundred thirty".