11784718825 has 12 divisors (see below), whose sum is σ = 15941510928. Its totient is φ = 8570704400.

The previous prime is 11784718787. The next prime is 11784718837. The reversal of 11784718825 is 52881748711.

It is a happy number.

It is not a de Polignac number, because 11784718825 - 2⁷ = 11784718697 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 21426487 + ... + 21427036.

It is an arithmetic number, because the mean of its divisors is an integer number (1328459244).

Almost surely, 2^11784718825 is an apocalyptic number.

It is an amenable number.

11784718825 is a deficient number, since it is larger than the sum of its proper divisors (4156792103).

11784718825 is a wasteful number, since it uses less digits than its factorization.

11784718825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42853544 (or 42853539 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 52.

The spelling of 11784718825 in words is "eleven billion, seven hundred eighty-four million, seven hundred eighteen thousand, eight hundred twenty-five".