5117138712 has 96 divisors (see below), whose sum is σ = 16425427200. Its totient is φ = 1462035744.

The previous prime is 5117138699. The next prime is 5117138717. The reversal of 5117138712 is 2178317115.

5117138712 is a `hidden beast` number, since 511 + 7 + 138 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5117138717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174412 + ... + 201627.

It is an arithmetic number, because the mean of its divisors is an integer number (171098200).

Almost surely, 2^5117138712 is an apocalyptic number.

It is an amenable number.

5117138712 is an abundant number, since it is smaller than the sum of its proper divisors (11308288488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5117138712 is a wasteful number, since it uses less digits than its factorization.

5117138712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376067 (or 376051 counting only the distinct ones).

The product of its digits is 11760, while the sum is 36.

The square root of 5117138712 is about 71534.1786281215. The cubic root of 5117138712 is about 1723.2266266709.

The spelling of 5117138712 in words is "five billion, one hundred seventeen million, one hundred thirty-eight thousand, seven hundred twelve".