118178182081 has 8 divisors (see below), whose sum is σ = 118887418944. Its totient is φ = 117470352720.

The previous prime is 118178182063. The next prime is 118178182103. The reversal of 118178182081 is 180281871811.

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 118178182081 - 2⁵ = 118178182049 is a prime.

It is a super-2 number, since 2×118178182081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118178182181) 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, 183205 + ... + 519538.

It is an arithmetic number, because the mean of its divisors is an integer number (14860927368).

Almost surely, 2^118178182081 is an apocalyptic number.

It is an amenable number.

118178182081 is a deficient number, since it is larger than the sum of its proper divisors (709236863).

118178182081 is an equidigital number, since it uses as much as digits as its factorization.

118178182081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703751.

The product of its (nonzero) digits is 57344, while the sum is 46.

The spelling of 118178182081 in words is "one hundred eighteen billion, one hundred seventy-eight million, one hundred eighty-two thousand, eighty-one".