11672821068 has 12 divisors (see below), whose sum is σ = 27236582520. Its totient is φ = 3890940352.

The previous prime is 11672821067. The next prime is 11672821093. The reversal of 11672821068 is 86012827611.

11672821068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11672821067) by changing a digit.

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, 486367533 + ... + 486367556.

It is an arithmetic number, because the mean of its divisors is an integer number (2269715210).

Almost surely, 2^11672821068 is an apocalyptic number.

It is an amenable number.

11672821068 is an abundant number, since it is smaller than the sum of its proper divisors (15563761452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11672821068 is a wasteful number, since it uses less digits than its factorization.

11672821068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972735096 (or 972735094 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 11672821068 in words is "eleven billion, six hundred seventy-two million, eight hundred twenty-one thousand, sixty-eight".