11843660728 has 16 divisors (see below), whose sum is σ = 22208269680. Its totient is φ = 5921455488.

The previous prime is 11843660627. The next prime is 11843660729. The reversal of 11843660728 is 82706634811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11843660729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124101 + ... + 197707.

It is an arithmetic number, because the mean of its divisors is an integer number (1388016855).

Almost surely, 2^11843660728 is an apocalyptic number.

It is an amenable number.

11843660728 is a deficient number, since it is larger than the sum of its proper divisors (10364608952).

11843660728 is a wasteful number, since it uses less digits than its factorization.

11843660728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93726 (or 93722 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 11843660728 in words is "eleven billion, eight hundred forty-three million, six hundred sixty thousand, seven hundred twenty-eight".