11640221314 has 4 divisors (see below), whose sum is σ = 17460331974. Its totient is φ = 5820110656.

The previous prime is 11640221293. The next prime is 11640221323. The reversal of 11640221314 is 41312204611.

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

It can be written as a sum of positive squares in only one way, i.e., 9305882089 + 2334339225 = 96467^2 + 48315^2 .

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 as a sum of consecutive naturals, namely, 2910055327 + ... + 2910055330.

Almost surely, 2^11640221314 is an apocalyptic number.

11640221314 is a deficient number, since it is larger than the sum of its proper divisors (5820110660).

11640221314 is an equidigital number, since it uses as much as digits as its factorization.

11640221314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820110659.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11640221314 its reverse (41312204611), we get a palindrome (52952425925).

The spelling of 11640221314 in words is "eleven billion, six hundred forty million, two hundred twenty-one thousand, three hundred fourteen".