11761984756 has 12 divisors (see below), whose sum is σ = 20668883620. Its totient is φ = 5856589440.

The previous prime is 11761984727. The next prime is 11761984763. The reversal of 11761984756 is 65748916711.

11761984756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7174090000 + 4587894756 = 84700^2 + 67734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11761984697 and 11761984706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6099651 + ... + 6101578.

Almost surely, 2^11761984756 is an apocalyptic number.

It is an amenable number.

11761984756 is a deficient number, since it is larger than the sum of its proper divisors (8906898864).

11761984756 is a wasteful number, since it uses less digits than its factorization.

11761984756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201474 (or 12201472 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The spelling of 11761984756 in words is "eleven billion, seven hundred sixty-one million, nine hundred eighty-four thousand, seven hundred fifty-six".