11215203316 has 6 divisors (see below), whose sum is σ = 19626605810. Its totient is φ = 5607601656.

The previous prime is 11215203299. The next prime is 11215203353. The reversal of 11215203316 is 61330251211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6147187216 + 5068016100 = 78404^2 + 71190^2 .

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, 1401900411 + ... + 1401900418.

Almost surely, 2^11215203316 is an apocalyptic number.

It is an amenable number.

11215203316 is a deficient number, since it is larger than the sum of its proper divisors (8411402494).

11215203316 is a wasteful number, since it uses less digits than its factorization.

11215203316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803800833 (or 2803800831 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 11215203316 its reverse (61330251211), we get a palindrome (72545454527).

The spelling of 11215203316 in words is "eleven billion, two hundred fifteen million, two hundred three thousand, three hundred sixteen".