11878412278788 has 72 divisors (see below), whose sum is σ = 32759475149856. Its totient is φ = 3599095420800.

The previous prime is 11878412278753. The next prime is 11878412278813. The reversal of 11878412278788 is 88787221487811.

11878412278788 is a `hidden beast` number, since 1 + 1 + 8 + 78 + 412 + 2 + 78 + 78 + 8 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1614195 + ... + 5134437.

Almost surely, 2^{11878412278788} is an apocalyptic number.

11878412278788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11878412278788 is an abundant number, since it is smaller than the sum of its proper divisors (20881062871068).

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

11878412278788 is a wasteful number, since it uses less digits than its factorization.

11878412278788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528785 (or 3528780 counting only the distinct ones).

The product of its digits is 179830784, while the sum is 72.

The spelling of 11878412278788 in words is "eleven trillion, eight hundred seventy-eight billion, four hundred twelve million, two hundred seventy-eight thousand, seven hundred eighty-eight".