11216561056115 has 8 divisors (see below), whose sum is σ = 13470878894688. Its totient is φ = 8965911760000.

The previous prime is 11216561056091. The next prime is 11216561056189. The reversal of 11216561056115 is 51165016561211.

It is a happy number.

11216561056115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-11216561056115 is a prime.

It is a super-2 number, since 2×11216561056115² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 917128886 + ... + 917141115.

It is an arithmetic number, because the mean of its divisors is an integer number (1683859861836).

Almost surely, 2^{11216561056115} is an apocalyptic number.

11216561056115 is a deficient number, since it is larger than the sum of its proper divisors (2254317838573).

11216561056115 is a wasteful number, since it uses less digits than its factorization.

11216561056115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834271229.

The product of its (nonzero) digits is 54000, while the sum is 41.

The spelling of 11216561056115 in words is "eleven trillion, two hundred sixteen billion, five hundred sixty-one million, fifty-six thousand, one hundred fifteen".