5118125777181 has 12 divisors (see below), whose sum is σ = 7427885543520. Its totient is φ = 3395912836680.

The previous prime is 5118125777173. The next prime is 5118125777183. The reversal of 5118125777181 is 1817775218115.

5118125777181 is a `hidden beast` number, since 51 + 1 + 8 + 1 + 2 + 577 + 7 + 18 + 1 = 666.

It is not a de Polignac number, because 5118125777181 - 2³ = 5118125777173 is a prime.

It is a super-2 number, since 2×5118125777181² (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 (5118125777183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1347582561 + ... + 1347586358.

It is an arithmetic number, because the mean of its divisors is an integer number (618990461960).

Almost surely, 2^{5118125777181} is an apocalyptic number.

It is an amenable number.

5118125777181 is a deficient number, since it is larger than the sum of its proper divisors (2309759766339).

5118125777181 is a wasteful number, since it uses less digits than its factorization.

5118125777181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695169136 (or 2695169133 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 54.

The spelling of 5118125777181 in words is "five trillion, one hundred eighteen billion, one hundred twenty-five million, seven hundred seventy-seven thousand, one hundred eighty-one".