11883647720 has 64 divisors (see below), whose sum is σ = 30988396800. Its totient is φ = 4017000960.

The previous prime is 11883647693. The next prime is 11883647723. The reversal of 11883647720 is 2774638811.

It is a happy number.

It is a super-2 number, since 2×11883647720² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11883647723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279005 + ... + 318764.

It is an arithmetic number, because the mean of its divisors is an integer number (484193700).

Almost surely, 2^11883647720 is an apocalyptic number.

11883647720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11883647720 is an abundant number, since it is smaller than the sum of its proper divisors (19104749080).

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

11883647720 is a wasteful number, since it uses less digits than its factorization.

11883647720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597858 (or 597854 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 11883647720 in words is "eleven billion, eight hundred eighty-three million, six hundred forty-seven thousand, seven hundred twenty".