11213321516 has 12 divisors (see below), whose sum is σ = 20777625288. Its totient is φ = 5276857152.

The previous prime is 11213321513. The next prime is 11213321543. The reversal of 11213321516 is 61512331211.

It is not an unprimeable number, because it can be changed into a prime (11213321513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82450826 + ... + 82450961.

It is an arithmetic number, because the mean of its divisors is an integer number (1731468774).

Almost surely, 2^11213321516 is an apocalyptic number.

It is an amenable number.

11213321516 is a deficient number, since it is larger than the sum of its proper divisors (9564303772).

11213321516 is a wasteful number, since it uses less digits than its factorization.

11213321516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164901808 (or 164901806 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

Adding to 11213321516 its reverse (61512331211), we get a palindrome (72725652727).

The spelling of 11213321516 in words is "eleven billion, two hundred thirteen million, three hundred twenty-one thousand, five hundred sixteen".