11284387984 has 15 divisors (see below), whose sum is σ = 21864325017. Its totient is φ = 5641981536.

The previous prime is 11284387981. The next prime is 11284387991. The reversal of 11284387984 is 48978348211.

The square root of 11284387984 is 106228.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5095104400 + 6189283584 = 71380^2 + 78672^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11284387981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 411634 + ... + 438190.

Almost surely, 2^11284387984 is an apocalyptic number.

11284387984 is the 106228-th square number.

It is an amenable number.

11284387984 is a deficient number, since it is larger than the sum of its proper divisors (10579937033).

11284387984 is an frugal number, since it uses more digits than its factorization.

11284387984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53122 (or 26559 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The spelling of 11284387984 in words is "eleven billion, two hundred eighty-four million, three hundred eighty-seven thousand, nine hundred eighty-four".