11321213100005 has 8 divisors (see below), whose sum is σ = 14384600174232. Its totient is φ = 8524207510528.

The previous prime is 11321213099929. The next prime is 11321213100013. The reversal of 11321213100005 is 50000131212311.

It can be written as a sum of positive squares in 4 ways, for example, as 3256516194724 + 8064696905281 = 1804582^2 + 2839841^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11321213100005 - 2¹² = 11321213095909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321213100005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66595371092 + ... + 66595371261.

It is an arithmetic number, because the mean of its divisors is an integer number (1798075021779).

Almost surely, 2^{11321213100005} is an apocalyptic number.

It is an amenable number.

11321213100005 is a deficient number, since it is larger than the sum of its proper divisors (3063387074227).

11321213100005 is a wasteful number, since it uses less digits than its factorization.

11321213100005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133190742375.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11321213100005 its reverse (50000131212311), we get a palindrome (61321344312316).

The spelling of 11321213100005 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thousand, five".