11181808004801 has 16 divisors (see below), whose sum is σ = 13455397401600. Its totient is φ = 9077535543888.

The previous prime is 11181808004777. The next prime is 11181808004827. The reversal of 11181808004801 is 10840080818111.

It is a de Polignac number, because none of the positive numbers 2^k-11181808004801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11181808004881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10745525 + ... + 11740098.

It is an arithmetic number, because the mean of its divisors is an integer number (840962337600).

Almost surely, 2^{11181808004801} is an apocalyptic number.

It is an amenable number.

11181808004801 is a deficient number, since it is larger than the sum of its proper divisors (2273589396799).

11181808004801 is a wasteful number, since it uses less digits than its factorization.

11181808004801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22489388.

The product of its (nonzero) digits is 16384, while the sum is 41.

The spelling of 11181808004801 in words is "eleven trillion, one hundred eighty-one billion, eight hundred eight million, four thousand, eight hundred one".