11466496809 has 20 divisors (see below), whose sum is σ = 17254010004. Its totient is φ = 7588525824.

The previous prime is 11466496801. The next prime is 11466496891. The reversal of 11466496809 is 90869466411.

It is a happy number.

11466496809 is a `hidden beast` number, since 1 + 14 + 66 + 496 + 80 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8774443584 + 2692053225 = 93672^2 + 51885^2 .

It is not a de Polignac number, because 11466496809 - 2³ = 11466496801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11466496801) 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 19 ways as a sum of consecutive naturals, for example, 505552 + ... + 527745.

Almost surely, 2^11466496809 is an apocalyptic number.

It is an amenable number.

11466496809 is a deficient number, since it is larger than the sum of its proper divisors (5787513195).

11466496809 is a wasteful number, since it uses less digits than its factorization.

11466496809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033446 (or 1033437 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 11466496809 in words is "eleven billion, four hundred sixty-six million, four hundred ninety-six thousand, eight hundred nine".