11105684212 has 36 divisors (see below), whose sum is σ = 23003737120. Its totient is φ = 4595445792.

The previous prime is 11105684207. The next prime is 11105684237. The reversal of 11105684212 is 21248650111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212262 + ... + 259357.

Almost surely, 2^11105684212 is an apocalyptic number.

It is an amenable number.

11105684212 is an abundant number, since it is smaller than the sum of its proper divisors (11898052908).

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

11105684212 is a wasteful number, since it uses less digits than its factorization.

11105684212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471688 (or 471657 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 11105684212 in words is "eleven billion, one hundred five million, six hundred eighty-four thousand, two hundred twelve".