5138872895128 has 16 divisors (see below), whose sum is σ = 11011870489680. Its totient is φ = 2202374097888.

The previous prime is 5138872895029. The next prime is 5138872895129. The reversal of 5138872895128 is 8215982788315.

It is a super-2 number, since 2×5138872895128² (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 (5138872895129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45882793651 + ... + 45882793762.

It is an arithmetic number, because the mean of its divisors is an integer number (688241905605).

Almost surely, 2^{5138872895128} is an apocalyptic number.

It is an amenable number.

5138872895128 is an abundant number, since it is smaller than the sum of its proper divisors (5872997594552).

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

5138872895128 is a wasteful number, since it uses less digits than its factorization.

5138872895128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91765587426 (or 91765587422 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 67.

The spelling of 5138872895128 in words is "five trillion, one hundred thirty-eight billion, eight hundred seventy-two million, eight hundred ninety-five thousand, one hundred twenty-eight".