118505005009 has 8 divisors (see below), whose sum is σ = 120187717160. Its totient is φ = 116823897216.

The previous prime is 118505004997. The next prime is 118505005097. The reversal of 118505005009 is 900500505811.

It can be written as a sum of positive squares in 4 ways, for example, as 97404537409 + 21100467600 = 312097^2 + 145260^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118505005009 - 2⁷ = 118505004881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118505105009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251922 + ... + 548155.

It is an arithmetic number, because the mean of its divisors is an integer number (15023464645).

Almost surely, 2^118505005009 is an apocalyptic number.

It is an amenable number.

118505005009 is a deficient number, since it is larger than the sum of its proper divisors (1682712151).

118505005009 is an equidigital number, since it uses as much as digits as its factorization.

118505005009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802179.

The product of its (nonzero) digits is 9000, while the sum is 34.

The spelling of 118505005009 in words is "one hundred eighteen billion, five hundred five million, five thousand, nine".