180112089 has 4 divisors (see below), whose sum is σ = 240149456. Its totient is φ = 120074724.

The previous prime is 180112087. The next prime is 180112117. The reversal of 180112089 is 980211081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 180112089 - 2¹ = 180112087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180112087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30018679 + ... + 30018684.

It is an arithmetic number, because the mean of its divisors is an integer number (60037364).

Almost surely, 2^180112089 is an apocalyptic number.

It is an amenable number.

180112089 is a deficient number, since it is larger than the sum of its proper divisors (60037367).

180112089 is an equidigital number, since it uses as much as digits as its factorization.

180112089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60037366.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 180112089 is about 13420.5845252731. The cubic root of 180112089 is about 564.7387927734.

It can be divided in two parts, 18011 and 2089, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 180112089 in words is "one hundred eighty million, one hundred twelve thousand, eighty-nine".