11871385204 has 12 divisors (see below), whose sum is σ = 23742770464. Its totient is φ = 5087736504.

The previous prime is 11871385199. The next prime is 11871385217. The reversal of 11871385204 is 40258317811.

11871385204 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 211988994 + ... + 211989049.

Almost surely, 2^11871385204 is an apocalyptic number.

11871385204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11871385204 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.

11871385204 is a wasteful number, since it uses less digits than its factorization.

11871385204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423978054 (or 423978052 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 11871385204 in words is "eleven billion, eight hundred seventy-one million, three hundred eighty-five thousand, two hundred four".