2116511023 has 8 divisors (see below), whose sum is σ = 2430443520. Its totient is φ = 1822832280.

The previous prime is 2116511021. The next prime is 2116511051. The reversal of 2116511023 is 3201156112.

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 2116511023 - 2¹ = 2116511021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2116510985 and 2116511003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116511021) 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 7 ways as a sum of consecutive naturals, for example, 5063215 + ... + 5063632.

It is an arithmetic number, because the mean of its divisors is an integer number (303805440).

Almost surely, 2^2116511023 is an apocalyptic number.

2116511023 is a deficient number, since it is larger than the sum of its proper divisors (313932497).

2116511023 is a wasteful number, since it uses less digits than its factorization.

2116511023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126877.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2116511023 is about 46005.5542625018. The cubic root of 2116511023 is about 1283.9265458687.

Adding to 2116511023 its reverse (3201156112), we get a palindrome (5317667135).

The spelling of 2116511023 in words is "two billion, one hundred sixteen million, five hundred eleven thousand, twenty-three".