11821852984 has 32 divisors (see below), whose sum is σ = 23334441120. Its totient is φ = 5603885056.

The previous prime is 11821852969. The next prime is 11821852993. The reversal of 11821852984 is 48925812811.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 263497 + ... + 305080.

It is an arithmetic number, because the mean of its divisors is an integer number (729201285).

Almost surely, 2^11821852984 is an apocalyptic number.

It is an amenable number.

11821852984 is a deficient number, since it is larger than the sum of its proper divisors (11512588136).

11821852984 is a wasteful number, since it uses less digits than its factorization.

11821852984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568719 (or 568715 counting only the distinct ones).

The product of its digits is 368640, while the sum is 49.

The spelling of 11821852984 in words is "eleven billion, eight hundred twenty-one million, eight hundred fifty-two thousand, nine hundred eighty-four".