12180178558 has 16 divisors (see below), whose sum is σ = 18349879680. Its totient is φ = 6063578136.

The previous prime is 12180178523. The next prime is 12180178573. The reversal of 12180178558 is 85587108121.

It is a congruent number.

It is an unprimeable number.

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, 1140841 + ... + 1151467.

It is an arithmetic number, because the mean of its divisors is an integer number (1146867480).

Almost surely, 2^12180178558 is an apocalyptic number.

12180178558 is a deficient number, since it is larger than the sum of its proper divisors (6169701122).

12180178558 is a wasteful number, since it uses less digits than its factorization.

12180178558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071.

The product of its (nonzero) digits is 179200, while the sum is 46.

The spelling of 12180178558 in words is "twelve billion, one hundred eighty million, one hundred seventy-eight thousand, five hundred fifty-eight".