5187131612 has 48 divisors (see below), whose sum is σ = 9904742400. Its totient is φ = 2362675392.

The previous prime is 5187131569. The next prime is 5187131617. The reversal of 5187131612 is 2161317815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187131617) 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, 1312223 + ... + 1316169.

It is an arithmetic number, because the mean of its divisors is an integer number (206348800).

Almost surely, 2^5187131612 is an apocalyptic number.

5187131612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5187131612 is a deficient number, since it is larger than the sum of its proper divisors (4717610788).

5187131612 is a wasteful number, since it uses less digits than its factorization.

5187131612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4288 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 5187131612 is about 72021.7440222048. The cubic root of 5187131612 is about 1731.0479146847.

The spelling of 5187131612 in words is "five billion, one hundred eighty-seven million, one hundred thirty-one thousand, six hundred twelve".