11728711841 has 8 divisors (see below), whose sum is σ = 14622809664. Its totient is φ = 9139255920.

The previous prime is 11728711727. The next prime is 11728711843. The reversal of 11728711841 is 14811782711.

11728711841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11728711841 - 2¹⁰ = 11728710817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11728711843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76160390 + ... + 76160543.

It is an arithmetic number, because the mean of its divisors is an integer number (1827851208).

Almost surely, 2^11728711841 is an apocalyptic number.

11728711841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11728711841 is a deficient number, since it is larger than the sum of its proper divisors (2894097823).

11728711841 is a wasteful number, since it uses less digits than its factorization.

11728711841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152320951.

The product of its digits is 25088, while the sum is 41.

The spelling of 11728711841 in words is "eleven billion, seven hundred twenty-eight million, seven hundred eleven thousand, eight hundred forty-one".