11646204506 has 8 divisors (see below), whose sum is σ = 17471898804. Its totient is φ = 5822238240.

The previous prime is 11646204497. The next prime is 11646204551. The reversal of 11646204506 is 60540264611.

It can be written as a sum of positive squares in 2 ways, for example, as 7955034481 + 3691170025 = 89191^2 + 60755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 415025 + ... + 442196.

Almost surely, 2^11646204506 is an apocalyptic number.

11646204506 is a deficient number, since it is larger than the sum of its proper divisors (5825694298).

11646204506 is an equidigital number, since it uses as much as digits as its factorization.

11646204506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864016.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 11646204506 in words is "eleven billion, six hundred forty-six million, two hundred four thousand, five hundred six".