5181127986496 has 224 divisors, whose sum is σ = 12979435438080. Its totient is φ = 1993343232000.

The previous prime is 5181127986473. The next prime is 5181127986511. The reversal of 5181127986496 is 6946897211815.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190616235 + ... + 190643413.

Almost surely, 2^{5181127986496} is an apocalyptic number.

5181127986496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5181127986496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6489717719040).

5181127986496 is an abundant number, since it is smaller than the sum of its proper divisors (7798307451584).

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

5181127986496 is a wasteful number, since it uses less digits than its factorization.

5181127986496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27693 (or 27683 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 67.

The spelling of 5181127986496 in words is "five trillion, one hundred eighty-one billion, one hundred twenty-seven million, nine hundred eighty-six thousand, four hundred ninety-six".