11984760556 has 48 divisors (see below), whose sum is σ = 21392211456. Its totient is φ = 5874289344.

The previous prime is 11984760503. The next prime is 11984760569. The reversal of 11984760556 is 65506748911.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25884781 + ... + 25885243.

It is an arithmetic number, because the mean of its divisors is an integer number (445671072).

Almost surely, 2^11984760556 is an apocalyptic number.

It is an amenable number.

11984760556 is a deficient number, since it is larger than the sum of its proper divisors (9407450900).

11984760556 is a wasteful number, since it uses less digits than its factorization.

11984760556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 11984760556 in words is "eleven billion, nine hundred eighty-four million, seven hundred sixty thousand, five hundred fifty-six".