11955761756 has 6 divisors (see below), whose sum is σ = 20922583080. Its totient is φ = 5977880876.

The previous prime is 11955761743. The next prime is 11955761773. The reversal of 11955761756 is 65716755911.

It is a happy number.

11955761756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11955761698 and 11955761707.

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 as a sum of consecutive naturals, namely, 1494470216 + ... + 1494470223.

It is an arithmetic number, because the mean of its divisors is an integer number (3487097180).

Almost surely, 2^11955761756 is an apocalyptic number.

It is an amenable number.

11955761756 is a deficient number, since it is larger than the sum of its proper divisors (8966821324).

11955761756 is a wasteful number, since it uses less digits than its factorization.

11955761756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988940443 (or 2988940441 counting only the distinct ones).

The product of its digits is 1984500, while the sum is 53.

The spelling of 11955761756 in words is "eleven billion, nine hundred fifty-five million, seven hundred sixty-one thousand, seven hundred fifty-six".