11928938112 has 768 divisors, whose sum is σ = 45711993600. Its totient is φ = 2898395136.

The previous prime is 11928938107. The next prime is 11928938137. The reversal of 11928938112 is 21183982911.

11928938112 is a `hidden beast` number, since 1 + 192 + 89 + 381 + 1 + 2 = 666.

It is a super-2 number, since 2×11928938112² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105565768 + ... + 105565880.

It is an arithmetic number, because the mean of its divisors is an integer number (59520825).

Almost surely, 2^11928938112 is an apocalyptic number.

11928938112 is a gapful number since it is divisible by the number (12) 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 11928938112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22855996800).

11928938112 is an abundant number, since it is smaller than the sum of its proper divisors (33783055488).

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

11928938112 is a wasteful number, since it uses less digits than its factorization.

11928938112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 210 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The spelling of 11928938112 in words is "eleven billion, nine hundred twenty-eight million, nine hundred thirty-eight thousand, one hundred twelve".