5138889252772 has 12 divisors (see below), whose sum is σ = 9810606755376. Its totient is φ = 2335858751240.

The previous prime is 5138889252689. The next prime is 5138889252779. The reversal of 5138889252772 is 2772529888315.

It is a junction number, because it is equal to n+sod(n) for n = 5138889252698 and 5138889252707.

It is not an unprimeable number, because it can be changed into a prime (5138889252779) 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, 58396468738 + ... + 58396468825.

It is an arithmetic number, because the mean of its divisors is an integer number (817550562948).

Almost surely, 2^{5138889252772} is an apocalyptic number.

It is an amenable number.

5138889252772 is a deficient number, since it is larger than the sum of its proper divisors (4671717502604).

5138889252772 is a wasteful number, since it uses less digits than its factorization.

5138889252772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116792937578 (or 116792937576 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 67.

The spelling of 5138889252772 in words is "five trillion, one hundred thirty-eight billion, eight hundred eighty-nine million, two hundred fifty-two thousand, seven hundred seventy-two".