11992903296 has 128 divisors (see below), whose sum is σ = 34806594240. Its totient is φ = 3628523520.

The previous prime is 11992903291. The next prime is 11992903297. The reversal of 11992903296 is 69230929911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (11992903291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3263316 + ... + 3266988.

Almost surely, 2^11992903296 is an apocalyptic number.

11992903296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11992903296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17403297120).

11992903296 is an abundant number, since it is smaller than the sum of its proper divisors (22813690944).

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

11992903296 is a wasteful number, since it uses less digits than its factorization.

11992903296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

The spelling of 11992903296 in words is "eleven billion, nine hundred ninety-two million, nine hundred three thousand, two hundred ninety-six".