11111113888884 has 72 divisors (see below), whose sum is σ = 29565125408000. Its totient is φ = 3508717544064.

The previous prime is 11111113888817. The next prime is 11111113888909. The reversal of 11111113888884 is 48888831111111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111113888884.

It is a congruent number.

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, 79930512 + ... + 80069400.

Almost surely, 2^{11111113888884} is an apocalyptic number.

It is an amenable number.

11111113888884 is an abundant number, since it is smaller than the sum of its proper divisors (18454011519116).

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

11111113888884 is a wasteful number, since it uses less digits than its factorization.

11111113888884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255877 (or 255872 counting only the distinct ones).

The product of its digits is 393216, while the sum is 54.

Adding to 11111113888884 its reverse (48888831111111), we get a palindrome (59999944999995).

The spelling of 11111113888884 in words is "eleven trillion, one hundred eleven billion, one hundred thirteen million, eight hundred eighty-eight thousand, eight hundred eighty-four".