11271808801 has 8 divisors (see below), whose sum is σ = 12300047424. Its totient is φ = 10244158320.

The previous prime is 11271808799. The next prime is 11271808829. The reversal of 11271808801 is 10880817211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11271808801 - 2¹ = 11271808799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11271808861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106470 + ... + 184063.

It is an arithmetic number, because the mean of its divisors is an integer number (1537505928).

Almost surely, 2^11271808801 is an apocalyptic number.

11271808801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11271808801 is a deficient number, since it is larger than the sum of its proper divisors (1028238623).

11271808801 is a wasteful number, since it uses less digits than its factorization.

11271808801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294071.

The product of its (nonzero) digits is 7168, while the sum is 37.

The spelling of 11271808801 in words is "eleven billion, two hundred seventy-one million, eight hundred eight thousand, eight hundred one".