11878416634284 has 144 divisors (see below), whose sum is σ = 32919566490720. Its totient is φ = 3594663045120.

The previous prime is 11878416634277. The next prime is 11878416634297. The reversal of 11878416634284 is 48243661487811.

11878416634284 is a `hidden beast` number, since 1 + 1 + 87 + 8 + 416 + 63 + 4 + 2 + 84 = 666.

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 47 ways as a sum of consecutive naturals, for example, 18515227 + ... + 19146029.

It is an arithmetic number, because the mean of its divisors is an integer number (228608100630).

Almost surely, 2^{11878416634284} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11878416634284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16459783245360).

11878416634284 is an abundant number, since it is smaller than the sum of its proper divisors (21041149856436).

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

11878416634284 is a wasteful number, since it uses less digits than its factorization.

11878416634284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631920 (or 631915 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 11878416634284 in words is "eleven trillion, eight hundred seventy-eight billion, four hundred sixteen million, six hundred thirty-four thousand, two hundred eighty-four".