11155066884 has 72 divisors (see below), whose sum is σ = 31686887232. Its totient is φ = 3283093440.

The previous prime is 11155066847. The next prime is 11155066913. The reversal of 11155066884 is 48866055111.

11155066884 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 506 + 68 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507402 + ... + 528929.

It is an arithmetic number, because the mean of its divisors is an integer number (440095656).

Almost surely, 2^11155066884 is an apocalyptic number.

It is an amenable number.

11155066884 is an abundant number, since it is smaller than the sum of its proper divisors (20531820348).

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

11155066884 is a wasteful number, since it uses less digits than its factorization.

11155066884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036377 (or 1036372 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 11155066884 in words is "eleven billion, one hundred fifty-five million, sixty-six thousand, eight hundred eighty-four".