118856020685 has 8 divisors (see below), whose sum is σ = 142647709176. Its totient is φ = 95071160320.

The previous prime is 118856020651. The next prime is 118856020687. The reversal of 118856020685 is 586020658811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2309571364 + 116546449321 = 48058^2 + 341389^2 .

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

It is not a de Polignac number, because 118856020685 - 2¹² = 118856016589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118856020687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668656 + ... + 1738425.

It is an arithmetic number, because the mean of its divisors is an integer number (17830963647).

Almost surely, 2^118856020685 is an apocalyptic number.

It is an amenable number.

118856020685 is a deficient number, since it is larger than the sum of its proper divisors (23791688491).

118856020685 is an equidigital number, since it uses as much as digits as its factorization.

118856020685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414063.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 118856020685 in words is "one hundred eighteen billion, eight hundred fifty-six million, twenty thousand, six hundred eighty-five".