11955752828 has 24 divisors (see below), whose sum is σ = 21556901520. Its totient is φ = 5799323520.

The previous prime is 11955752827. The next prime is 11955752873. The reversal of 11955752828 is 82825755911.

It is a self number, because there is not a number n which added to its sum of digits gives 11955752828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11955752827) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 317798 + ... + 353421.

It is an arithmetic number, because the mean of its divisors is an integer number (898204230).

Almost surely, 2^11955752828 is an apocalyptic number.

It is an amenable number.

11955752828 is a deficient number, since it is larger than the sum of its proper divisors (9601148692).

11955752828 is a wasteful number, since it uses less digits than its factorization.

11955752828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671357 (or 671355 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 53.

The spelling of 11955752828 in words is "eleven billion, nine hundred fifty-five million, seven hundred fifty-two thousand, eight hundred twenty-eight".