118585672369 has 2 divisors, whose sum is σ = 118585672370. Its totient is φ = 118585672368.

The previous prime is 118585672367. The next prime is 118585672391. The reversal of 118585672369 is 963276585811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81841766400 + 36743905969 = 286080^2 + 191687^2 .

It is an emirp because it is prime and its reverse (963276585811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118585672369 - 2¹ = 118585672367 is a prime.

It is a super-3 number, since 3×118585672369³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 118585672367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (118585672367) 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 as a sum of consecutive naturals, namely, 59292836184 + 59292836185.

It is an arithmetic number, because the mean of its divisors is an integer number (59292836185).

Almost surely, 2^118585672369 is an apocalyptic number.

It is an amenable number.

118585672369 is a deficient number, since it is larger than the sum of its proper divisors (1).

118585672369 is an equidigital number, since it uses as much as digits as its factorization.

118585672369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 61.

The spelling of 118585672369 in words is "one hundred eighteen billion, five hundred eighty-five million, six hundred seventy-two thousand, three hundred sixty-nine".