11689020684 has 96 divisors (see below), whose sum is σ = 35004614400. Its totient is φ = 3333761280.

The previous prime is 11689020671. The next prime is 11689020689. The reversal of 11689020684 is 48602098611.

It is not an unprimeable number, because it can be changed into a prime (11689020689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269194 + ... + 309585.

It is an arithmetic number, because the mean of its divisors is an integer number (364631400).

Almost surely, 2^11689020684 is an apocalyptic number.

It is an amenable number.

11689020684 is an abundant number, since it is smaller than the sum of its proper divisors (23315593716).

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

11689020684 is a wasteful number, since it uses less digits than its factorization.

11689020684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578820 (or 578812 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 11689020684 in words is "eleven billion, six hundred eighty-nine million, twenty thousand, six hundred eighty-four".