5115251251 has 16 divisors (see below), whose sum is σ = 5703280128. Its totient is φ = 4547872800.

The previous prime is 5115251191. The next prime is 5115251293. The reversal of 5115251251 is 1521525115.

It is a cyclic number.

It is not a de Polignac number, because 5115251251 - 2⁷ = 5115251123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5115251051) 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, 897256 + ... + 902938.

It is an arithmetic number, because the mean of its divisors is an integer number (356455008).

Almost surely, 2^5115251251 is an apocalyptic number.

5115251251 is a deficient number, since it is larger than the sum of its proper divisors (588028877).

5115251251 is a wasteful number, since it uses less digits than its factorization.

5115251251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482.

The product of its digits is 2500, while the sum is 28.

The square root of 5115251251 is about 71520.9846898097. The cubic root of 5115251251 is about 1723.0147294099.

Adding to 5115251251 its reverse (1521525115), we get a palindrome (6636776366).

The spelling of 5115251251 in words is "five billion, one hundred fifteen million, two hundred fifty-one thousand, two hundred fifty-one".