11982233856 has 72 divisors (see below), whose sum is σ = 31909701600. Its totient is φ = 3991638016.

The previous prime is 11982233839. The next prime is 11982233881. The reversal of 11982233856 is 65833228911.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608316 + ... + 1615748.

It is an arithmetic number, because the mean of its divisors is an integer number (443190300).

Almost surely, 2^11982233856 is an apocalyptic number.

11982233856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11982233856 is an abundant number, since it is smaller than the sum of its proper divisors (19927467744).

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

11982233856 is an equidigital number, since it uses as much as digits as its factorization.

11982233856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551 (or 9537 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 11982233856 in words is "eleven billion, nine hundred eighty-two million, two hundred thirty-three thousand, eight hundred fifty-six".