11216056513 has 16 divisors (see below), whose sum is σ = 11855491200. Its totient is φ = 10589508864.

The previous prime is 11216056483. The next prime is 11216056529. The reversal of 11216056513 is 31565061211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11216056513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11216056213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2955145 + ... + 2958937.

It is an arithmetic number, because the mean of its divisors is an integer number (740968200).

Almost surely, 2^11216056513 is an apocalyptic number.

It is an amenable number.

11216056513 is a deficient number, since it is larger than the sum of its proper divisors (639434687).

11216056513 is a wasteful number, since it uses less digits than its factorization.

11216056513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11216056513 in words is "eleven billion, two hundred sixteen million, fifty-six thousand, five hundred thirteen".