11994140306 has 4 divisors (see below), whose sum is σ = 17991210462. Its totient is φ = 5997070152.

The previous prime is 11994140299. The next prime is 11994140309. The reversal of 11994140306 is 60304149911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60304149911 = 9719 ⋅6204769.

It can be written as a sum of positive squares in only one way, i.e., 7896988225 + 4097152081 = 88865^2 + 64009^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11994140306.

It is not an unprimeable number, because it can be changed into a prime (11994140309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2998535075 + ... + 2998535078.

Almost surely, 2^11994140306 is an apocalyptic number.

11994140306 is a deficient number, since it is larger than the sum of its proper divisors (5997070156).

11994140306 is an equidigital number, since it uses as much as digits as its factorization.

11994140306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997070155.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 11994140306 in words is "eleven billion, nine hundred ninety-four million, one hundred forty thousand, three hundred six".