5278311515 has 16 divisors (see below), whose sum is σ = 6626069568. Its totient is φ = 4028846976.

The previous prime is 5278311509. The next prime is 5278311557. The reversal of 5278311515 is 5151138725.

It is a cyclic number.

It is not a de Polignac number, because 5278311515 - 2¹⁰ = 5278310491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 12152 + ... + 103461.

It is an arithmetic number, because the mean of its divisors is an integer number (414129348).

Almost surely, 2^5278311515 is an apocalyptic number.

5278311515 is a deficient number, since it is larger than the sum of its proper divisors (1347758053).

5278311515 is a wasteful number, since it uses less digits than its factorization.

5278311515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116038.

The product of its digits is 42000, while the sum is 38.

The square root of 5278311515 is about 72651.9890643057. The cubic root of 5278311515 is about 1741.1319004814.

The spelling of 5278311515 in words is "five billion, two hundred seventy-eight million, three hundred eleven thousand, five hundred fifteen".