2511112321 has 3 divisors (see below), whose sum is σ = 2511162433. Its totient is φ = 2511062210.

The previous prime is 2511112301. The next prime is 2511112339. The reversal of 2511112321 is 1232111152.

The square root of 2511112321 is 50111.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2511112321 - 2⁹ = 2511111809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2511112301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25056 + ... + 75166.

Almost surely, 2^2511112321 is an apocalyptic number.

2511112321 is the 50111-st square number.

2511112321 is the 25056-th centered octagonal number.

It is an amenable number.

2511112321 is a deficient number, since it is larger than the sum of its proper divisors (50112).

2511112321 is an frugal number, since it uses more digits than its factorization.

2511112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100222 (or 50111 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The cubic root of 2511112321 is about 1359.2167348585.

Adding to 2511112321 its reverse (1232111152), we get a palindrome (3743223473).

The spelling of 2511112321 in words is "two billion, five hundred eleven million, one hundred twelve thousand, three hundred twenty-one".