11689028948 has 12 divisors (see below), whose sum is σ = 20841759540. Its totient is φ = 5734240512.

The previous prime is 11689028917. The next prime is 11689028959. The reversal of 11689028948 is 84982098611.

11689028948 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 5035037764 + 6653991184 = 70958^2 + 81572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11689028893 and 11689028902.

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, 27568253 + ... + 27568676.

It is an arithmetic number, because the mean of its divisors is an integer number (1736813295).

Almost surely, 2^11689028948 is an apocalyptic number.

It is an amenable number.

11689028948 is a deficient number, since it is larger than the sum of its proper divisors (9152730592).

11689028948 is a wasteful number, since it uses less digits than its factorization.

11689028948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55136986 (or 55136984 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 11689028948 in words is "eleven billion, six hundred eighty-nine million, twenty-eight thousand, nine hundred forty-eight".