11784548451 has 16 divisors (see below), whose sum is σ = 17334122400. Its totient is φ = 7075150080.

The previous prime is 11784548443. The next prime is 11784548453. The reversal of 11784548451 is 15484548711.

It is not a de Polignac number, because 11784548451 - 2³ = 11784548443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11784548451.

It is not an unprimeable number, because it can be changed into a prime (11784548453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3683376 + ... + 3686573.

It is an arithmetic number, because the mean of its divisors is an integer number (1083382650).

Almost surely, 2^11784548451 is an apocalyptic number.

11784548451 is a deficient number, since it is larger than the sum of its proper divisors (5549573949).

11784548451 is a wasteful number, since it uses less digits than its factorization.

11784548451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370006.

The product of its digits is 716800, while the sum is 48.

The spelling of 11784548451 in words is "eleven billion, seven hundred eighty-four million, five hundred forty-eight thousand, four hundred fifty-one".