18110118529 has 4 divisors (see below), whose sum is σ = 18407005780. Its totient is φ = 17813231280.

The previous prime is 18110118469. The next prime is 18110118539. The reversal of 18110118529 is 92581101181.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6714983025 + 11395135504 = 81945^2 + 106748^2 .

It is a cyclic number.

It is not a de Polignac number, because 18110118529 - 2⁹ = 18110118017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18110118539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148443534 + ... + 148443655.

It is an arithmetic number, because the mean of its divisors is an integer number (4601751445).

Almost surely, 2^18110118529 is an apocalyptic number.

It is an amenable number.

18110118529 is a deficient number, since it is larger than the sum of its proper divisors (296887251).

18110118529 is an equidigital number, since it uses as much as digits as its factorization.

18110118529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296887250.

The product of its (nonzero) digits is 5760, while the sum is 37.

The spelling of 18110118529 in words is "eighteen billion, one hundred ten million, one hundred eighteen thousand, five hundred twenty-nine".