As used in NRS 40.451 to 40.463, inclusive, "indebtedness" means the principal balance of the obligation secured by a mortgage or other lien on real property, together with all interest accrued and unpaid prior to the time of foreclosure sale, all costs and fees of such a sale, all advances made with respect to the property by the beneficiary, and all other amounts secured by the mortgage or other lien on the real property in favor of the person seeking the deficiency judgment. Such amount constituting a lien is limited to the amount of the consideration paid by the lienholder.
NRS 40.451