11682321280 has 96 divisors (see below), whose sum is σ = 32487818040. Its totient is φ = 4005356544.

The previous prime is 11682321199. The next prime is 11682321349. The reversal of 11682321280 is 8212328611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154902 + ... + 217621.

Almost surely, 2^11682321280 is an apocalyptic number.

11682321280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11682321280 is an abundant number, since it is smaller than the sum of its proper divisors (20805496760).

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

11682321280 is an equidigital number, since it uses as much as digits as its factorization.

11682321280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372556 (or 372537 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

Adding to 11682321280 its reverse (8212328611), we get a palindrome (19894649891).

The spelling of 11682321280 in words is "eleven billion, six hundred eighty-two million, three hundred twenty-one thousand, two hundred eighty".