118281888685 has 8 divisors (see below), whose sum is σ = 143882626680. Its totient is φ = 93329270784.

The previous prime is 118281888679. The next prime is 118281888689. The reversal of 118281888685 is 586888182811.

It can be written as a sum of positive squares in 4 ways, for example, as 37551463524 + 80730425161 = 193782^2 + 284131^2 .

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 118281888685 - 2¹⁵ = 118281855917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118281888689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162029620 + ... + 162030349.

It is an arithmetic number, because the mean of its divisors is an integer number (17985328335).

Almost surely, 2^118281888685 is an apocalyptic number.

It is an amenable number.

118281888685 is a deficient number, since it is larger than the sum of its proper divisors (25600737995).

118281888685 is an equidigital number, since it uses as much as digits as its factorization.

118281888685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324060047.

The product of its digits is 15728640, while the sum is 64.

The spelling of 118281888685 in words is "one hundred eighteen billion, two hundred eighty-one million, eight hundred eighty-eight thousand, six hundred eighty-five".