11011116636 has 72 divisors (see below), whose sum is σ = 29987228544. Its totient is φ = 3386620800.

The previous prime is 11011116587. The next prime is 11011116637. The reversal of 11011116636 is 63661111011.

11011116636 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 11 + 16 + 636 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011116637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928586 + ... + 1934286.

Almost surely, 2^11011116636 is an apocalyptic number.

It is an amenable number.

11011116636 is an abundant number, since it is smaller than the sum of its proper divisors (18976111908).

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

11011116636 is a wasteful number, since it uses less digits than its factorization.

11011116636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851 (or 9846 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

Adding to 11011116636 its reverse (63661111011), we get a palindrome (74672227647).

The spelling of 11011116636 in words is "eleven billion, eleven million, one hundred sixteen thousand, six hundred thirty-six".