5180991997536 has 576 divisors, whose sum is σ = 16738231910400. Its totient is φ = 1512146009088.

The previous prime is 5180991997507. The next prime is 5180991997537. The reversal of 5180991997536 is 6357991990815.

5180991997536 is a `hidden beast` number, since 5 + 1 + 80 + 9 + 9 + 1 + 9 + 9 + 7 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5180991997537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 467297785 + ... + 467308871.

It is an arithmetic number, because the mean of its divisors is an integer number (29059430400).

Almost surely, 2^{5180991997536} 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 5180991997536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8369115955200).

5180991997536 is an abundant number, since it is smaller than the sum of its proper divisors (11557239912864).

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

5180991997536 is a wasteful number, since it uses less digits than its factorization.

5180991997536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271 (or 11260 counting only the distinct ones).

The product of its (nonzero) digits is 165337200, while the sum is 72.

The spelling of 5180991997536 in words is "five trillion, one hundred eighty billion, nine hundred ninety-one million, nine hundred ninety-seven thousand, five hundred thirty-six".