11906838072 has 48 divisors (see below), whose sum is σ = 33944937000. Its totient is φ = 3760053696.

The previous prime is 11906838071. The next prime is 11906838089. The reversal of 11906838072 is 27083860911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906838071) 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 11 ways as a sum of consecutive naturals, for example, 4350547 + ... + 4353282.

Almost surely, 2^11906838072 is an apocalyptic number.

11906838072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11906838072 is an abundant number, since it is smaller than the sum of its proper divisors (22038098928).

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

11906838072 is a wasteful number, since it uses less digits than its factorization.

11906838072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703860 (or 8703853 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 11906838072 in words is "eleven billion, nine hundred six million, eight hundred thirty-eight thousand, seventy-two".