5781325065516 has 432 divisors, whose sum is σ = 19781803152384. Its totient is φ = 1385312544000.

The previous prime is 5781325065491. The next prime is 5781325065517. The reversal of 5781325065516 is 6155605231875.

5781325065516 is a `hidden beast` number, since 5 + 7 + 8 + 1 + 32 + 50 + 6 + 551 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (5781325065517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 916068001 + ... + 916074311.

Almost surely, 2^{5781325065516} 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 5781325065516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9890901576192).

5781325065516 is an abundant number, since it is smaller than the sum of its proper divisors (14000478086868).

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

5781325065516 is a wasteful number, since it uses less digits than its factorization.

5781325065516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674 (or 8658 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 54.

The spelling of 5781325065516 in words is "five trillion, seven hundred eighty-one billion, three hundred twenty-five million, sixty-five thousand, five hundred sixteen".