5991112905624 has 384 divisors, whose sum is σ = 20596900147200. Its totient is φ = 1527951962880.

The previous prime is 5991112905521. The next prime is 5991112905637. The reversal of 5991112905624 is 4265092111995.

It is a happy number.

5991112905624 is a `hidden beast` number, since 5 + 9 + 9 + 1 + 1 + 1 + 2 + 9 + 0 + 5 + 624 = 666.

It is a Cunningham number, because it is equal to 2447675²-1.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 288815397 + ... + 288836139.

It is an arithmetic number, because the mean of its divisors is an integer number (53637760800).

Almost surely, 2^{5991112905624} 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 5991112905624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10298450073600).

5991112905624 is an abundant number, since it is smaller than the sum of its proper divisors (14605787241576).

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

5991112905624 is a wasteful number, since it uses less digits than its factorization.

5991112905624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21715 (or 21708 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 5991112905624 in words is "five trillion, nine hundred ninety-one billion, one hundred twelve million, nine hundred five thousand, six hundred twenty-four".