11129628684 has 12 divisors (see below), whose sum is σ = 25969133624. Its totient is φ = 3709876224.

The previous prime is 11129628683. The next prime is 11129628709. The reversal of 11129628684 is 48682692111.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11129628683) 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 3 ways as a sum of consecutive naturals, for example, 463734517 + ... + 463734540.

Almost surely, 2^11129628684 is an apocalyptic number.

It is an amenable number.

11129628684 is an abundant number, since it is smaller than the sum of its proper divisors (14839504940).

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

11129628684 is a wasteful number, since it uses less digits than its factorization.

11129628684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927469064 (or 927469062 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The spelling of 11129628684 in words is "eleven billion, one hundred twenty-nine million, six hundred twenty-eight thousand, six hundred eighty-four".