11994613606 has 4 divisors (see below), whose sum is σ = 17991920412. Its totient is φ = 5997306802.

The previous prime is 11994613559. The next prime is 11994613627. The reversal of 11994613606 is 60631649911.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2998653400 + ... + 2998653403.

It is an arithmetic number, because the mean of its divisors is an integer number (4497980103).

Almost surely, 2^11994613606 is an apocalyptic number.

11994613606 is a deficient number, since it is larger than the sum of its proper divisors (5997306806).

11994613606 is an equidigital number, since it uses as much as digits as its factorization.

11994613606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997306805.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 11994613606 in words is "eleven billion, nine hundred ninety-four million, six hundred thirteen thousand, six hundred six".