11728276660 has 48 divisors (see below), whose sum is σ = 25278910272. Its totient is φ = 4568256000.

The previous prime is 11728276631. The next prime is 11728276663. The reversal of 11728276660 is 6667282711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11728276660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728276663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264060 + ... + 305260.

It is an arithmetic number, because the mean of its divisors is an integer number (526643964).

Almost surely, 2^11728276660 is an apocalyptic number.

11728276660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11728276660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12639455136).

11728276660 is an abundant number, since it is smaller than the sum of its proper divisors (13550633612).

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

11728276660 is a wasteful number, since it uses less digits than its factorization.

11728276660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41584 (or 41582 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 11728276660 in words is "eleven billion, seven hundred twenty-eight million, two hundred seventy-six thousand, six hundred sixty".