11212513012616 has 16 divisors (see below), whose sum is σ = 21025647661200. Its totient is φ = 5605673636304.

The previous prime is 11212513012607. The next prime is 11212513012627. The reversal of 11212513012616 is 61621031521211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72776990 + ... + 72930893.

It is an arithmetic number, because the mean of its divisors is an integer number (1314102978825).

Almost surely, 2^{11212513012616} is an apocalyptic number.

It is an amenable number.

11212513012616 is a deficient number, since it is larger than the sum of its proper divisors (9813134648584).

11212513012616 is a wasteful number, since it uses less digits than its factorization.

11212513012616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145717508 (or 145717504 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 11212513012616 its reverse (61621031521211), we get a palindrome (72833544533827).

The spelling of 11212513012616 in words is "eleven trillion, two hundred twelve billion, five hundred thirteen million, twelve thousand, six hundred sixteen".