11920000828 has 24 divisors (see below), whose sum is σ = 21264577488. Its totient is φ = 5844523776.

The previous prime is 11920000787. The next prime is 11920000837. The reversal of 11920000828 is 82800002911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11920000828.

It is a congruent number.

It is an unprimeable number.

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, 428100 + ... + 455092.

It is an arithmetic number, because the mean of its divisors is an integer number (886024062).

Almost surely, 2^11920000828 is an apocalyptic number.

11920000828 is the 58359-th centered heptagonal number.

It is an amenable number.

11920000828 is a deficient number, since it is larger than the sum of its proper divisors (9344576660).

11920000828 is a wasteful number, since it uses less digits than its factorization.

11920000828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29133 (or 29131 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 11920000828 in words is "eleven billion, nine hundred twenty million, eight hundred twenty-eight", and thus it is an aban number.