2511216223 has 4 divisors (see below), whose sum is σ = 2523835600. Its totient is φ = 2498596848.

The previous prime is 2511216193. The next prime is 2511216247. The reversal of 2511216223 is 3226121152.

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

It is a cyclic number.

It is not a de Polignac number, because 2511216223 - 2¹³ = 2511208031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511216023) by changing a digit.

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, 6309390 + ... + 6309787.

It is an arithmetic number, because the mean of its divisors is an integer number (630958900).

Almost surely, 2^2511216223 is an apocalyptic number.

2511216223 is a deficient number, since it is larger than the sum of its proper divisors (12619377).

2511216223 is a wasteful number, since it uses less digits than its factorization.

2511216223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12619376.

The product of its digits is 1440, while the sum is 25.

The square root of 2511216223 is about 50112.0367077611. The cubic root of 2511216223 is about 1359.2354813171.

Adding to 2511216223 its reverse (3226121152), we get a palindrome (5737337375).

The spelling of 2511216223 in words is "two billion, five hundred eleven million, two hundred sixteen thousand, two hundred twenty-three".