5187386837815 has 128 divisors (see below), whose sum is σ = 8407883151360. Its totient is φ = 2980954109952.

The previous prime is 5187386837813. The next prime is 5187386837819.

5187386837815 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5187386837815 - 2¹ = 5187386837813 is a prime.

It is a super-2 number, since 2×5187386837815² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187386837813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19570309 + ... + 19833601.

It is an arithmetic number, because the mean of its divisors is an integer number (65686587120).

Almost surely, 2^{5187386837815} is an apocalyptic number.

5187386837815 is a deficient number, since it is larger than the sum of its proper divisors (3220496313545).

5187386837815 is a wasteful number, since it uses less digits than its factorization.

5187386837815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263433.

The product of its digits is 270950400, while the sum is 70.

The spelling of 5187386837815 in words is "five trillion, one hundred eighty-seven billion, three hundred eighty-six million, eight hundred thirty-seven thousand, eight hundred fifteen".