11983412708178 has 8 divisors (see below), whose sum is σ = 23966825416368. Its totient is φ = 3994470902724.

The previous prime is 11983412708177. The next prime is 11983412708191. The reversal of 11983412708178 is 87180721438911.

It is a happy number.

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

11983412708178 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11983412708177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998617725676 + ... + 998617725687.

It is an arithmetic number, because the mean of its divisors is an integer number (2995853177046).

Almost surely, 2^{11983412708178} is an apocalyptic number.

11983412708178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11983412708178 is a wasteful number, since it uses less digits than its factorization.

11983412708178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997235451368.

The product of its (nonzero) digits is 5419008, while the sum is 60.

The spelling of 11983412708178 in words is "eleven trillion, nine hundred eighty-three billion, four hundred twelve million, seven hundred eight thousand, one hundred seventy-eight".