118682317009 has 9 divisors (see below), whose sum is σ = 122645313819. Its totient is φ = 114843520080.

The previous prime is 118682317001. The next prime is 118682317021. The reversal of 118682317009 is 900713286811.

It is a happy number.

The square root of 118682317009 is 344503.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 533379025 + 118148937984 = 23095^2 + 343728^2 .

It is not a de Polignac number, because 118682317009 - 2³ = 118682317001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118682317009.

It is not an unprimeable number, because it can be changed into a prime (118682317001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10674037 + ... + 10685149.

It is an arithmetic number, because the mean of its divisors is an integer number (13627257091).

Almost surely, 2^118682317009 is an apocalyptic number.

118682317009 is the 344503-rd square number.

118682317009 is the 172252-nd centered octagonal number.

It is an amenable number.

118682317009 is a deficient number, since it is larger than the sum of its proper divisors (3962996810).

118682317009 is an frugal number, since it uses more digits than its factorization.

118682317009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288 (or 11144 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 118682317009 in words is "one hundred eighteen billion, six hundred eighty-two million, three hundred seventeen thousand, nine".