5591399033376 has 240 divisors, whose sum is σ = 17730280814400. Its totient is φ = 1718371210752.

The previous prime is 5591399033371. The next prime is 5591399033383. The reversal of 5591399033376 is 6733309931955.

5591399033376 is a `hidden beast` number, since 5 + 591 + 3 + 9 + 9 + 0 + 3 + 3 + 37 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (5591399033371) 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 39 ways as a sum of consecutive naturals, for example, 28172055 + ... + 28369833.

It is an arithmetic number, because the mean of its divisors is an integer number (73876170060).

Almost surely, 2^{5591399033376} 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 5591399033376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8865140407200).

5591399033376 is an abundant number, since it is smaller than the sum of its proper divisors (12138881781024).

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

5591399033376 is a wasteful number, since it uses less digits than its factorization.

5591399033376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198653 (or 198636 counting only the distinct ones).

The product of its (nonzero) digits is 62001450, while the sum is 63.

The spelling of 5591399033376 in words is "five trillion, five hundred ninety-one billion, three hundred ninety-nine million, thirty-three thousand, three hundred seventy-six".