5113216281 has 16 divisors (see below), whose sum is σ = 6848962560. Its totient is φ = 3393162000.

The previous prime is 5113216279. The next prime is 5113216289. The reversal of 5113216281 is 1826123115.

It is not a de Polignac number, because 5113216281 - 2¹ = 5113216279 is a prime.

It is a super-2 number, since 2×5113216281² = 52289961472566941922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5113216289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774600 + ... + 1777478.

It is an arithmetic number, because the mean of its divisors is an integer number (428060160).

Almost surely, 2^5113216281 is an apocalyptic number.

It is an amenable number.

5113216281 is a deficient number, since it is larger than the sum of its proper divisors (1735746279).

5113216281 is a wasteful number, since it uses less digits than its factorization.

5113216281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

The product of its digits is 2880, while the sum is 30.

The square root of 5113216281 is about 71506.7568905205. The cubic root of 5113216281 is about 1722.7862135348.

Adding to 5113216281 its reverse (1826123115), we get a palindrome (6939339396).

The spelling of 5113216281 in words is "five billion, one hundred thirteen million, two hundred sixteen thousand, two hundred eighty-one".