5127118457712 has 80 divisors (see below), whose sum is σ = 13387075553280. Its totient is φ = 1690747704576.

The previous prime is 5127118457693. The next prime is 5127118457723. The reversal of 5127118457712 is 2177548117215.

It is a super-2 number, since 2×5127118457712² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4409089 + ... + 5449247.

It is an arithmetic number, because the mean of its divisors is an integer number (167338444416).

Almost surely, 2^{5127118457712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5127118457712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6693537776640).

5127118457712 is an abundant number, since it is smaller than the sum of its proper divisors (8259957095568).

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

5127118457712 is a wasteful number, since it uses less digits than its factorization.

5127118457712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041270 (or 1041264 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 51.

The spelling of 5127118457712 in words is "five trillion, one hundred twenty-seven billion, one hundred eighteen million, four hundred fifty-seven thousand, seven hundred twelve".