5287115345 has 16 divisors (see below), whose sum is σ = 6724898640. Its totient is φ = 3976648704.

The previous prime is 5287115341. The next prime is 5287115347. The reversal of 5287115345 is 5435117825.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 107578384 + 5179536961 = 10372^2 + 71969^2 .

It is not a de Polignac number, because 5287115345 - 2² = 5287115341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5287115341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48371 + ... + 113639.

It is an arithmetic number, because the mean of its divisors is an integer number (420306165).

Almost surely, 2^5287115345 is an apocalyptic number.

It is an amenable number.

5287115345 is a deficient number, since it is larger than the sum of its proper divisors (1437783295).

5287115345 is a wasteful number, since it uses less digits than its factorization.

5287115345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66244.

The product of its digits is 168000, while the sum is 41.

The square root of 5287115345 is about 72712.5528708764. The cubic root of 5287115345 is about 1742.0993888387.

The spelling of 5287115345 in words is "five billion, two hundred eighty-seven million, one hundred fifteen thousand, three hundred forty-five".