80118151992 has 24 divisors (see below), whose sum is σ = 216986661840. Its totient is φ = 26706050640.

The previous prime is 80118151987. The next prime is 80118152011. The reversal of 80118151992 is 29915181108.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×80118151992² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556375984 + ... + 556376127.

It is an arithmetic number, because the mean of its divisors is an integer number (9041110910).

Almost surely, 2^80118151992 is an apocalyptic number.

It is an amenable number.

80118151992 is an abundant number, since it is smaller than the sum of its proper divisors (136868509848).

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

80118151992 is a wasteful number, since it uses less digits than its factorization.

80118151992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112752123 (or 1112752116 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 45.

The spelling of 80118151992 in words is "eighty billion, one hundred eighteen million, one hundred fifty-one thousand, nine hundred ninety-two".