sysApplInstallElmtSizeHigh 1.3.6.1.2.1.54.1.1.2.1.6

The installed file size in 2^32 byte blocks. This is the size of the file on disk immediately after installation. For example, for a file with a total size of 4,294,967,296 bytes, this variable would have a value of 1; for a file with a total size of 4,294,967,295 bytes this variable would be 0.