11716628724 has 72 divisors (see below), whose sum is σ = 30767593920. Its totient is φ = 3855883824.

The previous prime is 11716628687. The next prime is 11716628747. The reversal of 11716628724 is 42782661711.

11716628724 is a `hidden beast` number, since 1 + 1 + 7 + 16 + 628 + 7 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11716628724.

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, 665337 + ... + 682719.

Almost surely, 2^11716628724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11716628724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15383796960).

11716628724 is an abundant number, since it is smaller than the sum of its proper divisors (19050965196).

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

11716628724 is a wasteful number, since it uses less digits than its factorization.

11716628724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17554 (or 17467 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 11716628724 in words is "eleven billion, seven hundred sixteen million, six hundred twenty-eight thousand, seven hundred twenty-four".