2111164563 has 8 divisors (see below), whose sum is σ = 2815777728. Its totient is φ = 1406997224.

The previous prime is 2111164543. The next prime is 2111164571. The reversal of 2111164563 is 3654611112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2111164563 - 2⁹ = 2111164051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111164563.

It is not an unprimeable number, because it can be changed into a prime (2111164543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100245 + ... + 119462.

It is an arithmetic number, because the mean of its divisors is an integer number (351972216).

Almost surely, 2^2111164563 is an apocalyptic number.

2111164563 is a deficient number, since it is larger than the sum of its proper divisors (704613165).

2111164563 is a wasteful number, since it uses less digits than its factorization.

2111164563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222913.

The product of its digits is 4320, while the sum is 30.

The square root of 2111164563 is about 45947.4108410909. The cubic root of 2111164563 is about 1282.8445371582.

Adding to 2111164563 its reverse (3654611112), we get a palindrome (5765775675).

The spelling of 2111164563 in words is "two billion, one hundred eleven million, one hundred sixty-four thousand, five hundred sixty-three".