11885489588448 has 144 divisors (see below), whose sum is σ = 38631807448416. Its totient is φ = 3395505484800.

The previous prime is 11885489588407. The next prime is 11885489588449. The reversal of 11885489588448 is 84488598458811.

It is a happy number.

11885489588448 is a `hidden beast` number, since 1 + 1 + 8 + 8 + 5 + 4 + 8 + 95 + 88 + 448 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885489588449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19662690 + ... + 20258142.

It is an arithmetic number, because the mean of its divisors is an integer number (268276440614).

Almost surely, 2^{11885489588448} is an apocalyptic number.

11885489588448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11885489588448 is an abundant number, since it is smaller than the sum of its proper divisors (26746317859968).

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

11885489588448 is a wasteful number, since it uses less digits than its factorization.

11885489588448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605377 (or 605366 counting only the distinct ones).

The product of its digits is 3774873600, while the sum is 81.

The spelling of 11885489588448 in words is "eleven trillion, eight hundred eighty-five billion, four hundred eighty-nine million, five hundred eighty-eight thousand, four hundred forty-eight".