2213151160565 has 4 divisors (see below), whose sum is σ = 2655781392684. Its totient is φ = 1770520928448.

The previous prime is 2213151160543. The next prime is 2213151160573. The reversal of 2213151160565 is 5650611513122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638570399236 + 1574580761329 = 799106^2 + 1254823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213151160565 - 2¹⁸ = 2213150898421 is a prime.

It is a super-2 number, since 2×2213151160565² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221315116052 + ... + 221315116061.

It is an arithmetic number, because the mean of its divisors is an integer number (663945348171).

Almost surely, 2^{2213151160565} is an apocalyptic number.

It is an amenable number.

2213151160565 is a deficient number, since it is larger than the sum of its proper divisors (442630232119).

2213151160565 is an equidigital number, since it uses as much as digits as its factorization.

2213151160565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442630232118.

The product of its (nonzero) digits is 54000, while the sum is 38.

Adding to 2213151160565 its reverse (5650611513122), we get a palindrome (7863762673687).

The spelling of 2213151160565 in words is "two trillion, two hundred thirteen billion, one hundred fifty-one million, one hundred sixty thousand, five hundred sixty-five".