11887744284 has 36 divisors (see below), whose sum is σ = 32361082936. Its totient is φ = 3657767328.

The previous prime is 11887744259. The next prime is 11887744367. The reversal of 11887744284 is 48244778811.

11887744284 is a `hidden beast` number, since 118 + 8 + 7 + 7 + 442 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11887744284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12700114 + ... + 12701049.

Almost surely, 2^11887744284 is an apocalyptic number.

It is an amenable number.

11887744284 is an abundant number, since it is smaller than the sum of its proper divisors (20473338652).

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

11887744284 is a wasteful number, since it uses less digits than its factorization.

11887744284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25401186 (or 25401181 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The spelling of 11887744284 in words is "eleven billion, eight hundred eighty-seven million, seven hundred forty-four thousand, two hundred eighty-four".