5991371712 has 140 divisors (see below), whose sum is σ = 17937714696. Its totient is φ = 1977177600.

The previous prime is 5991371689. The next prime is 5991371719. The reversal of 5991371712 is 2171731995.

It is a happy number.

5991371712 is a `hidden beast` number, since 599 + 1 + 37 + 17 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991371719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 517863 + ... + 529305.

Almost surely, 2^5991371712 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 5991371712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8968857348).

5991371712 is an abundant number, since it is smaller than the sum of its proper divisors (11946342984).

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

5991371712 is a wasteful number, since it uses less digits than its factorization.

5991371712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568 (or 11549 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 5991371712 is about 77403.9515270377. The cubic root of 5991371712 is about 1816.2491394232.

The spelling of 5991371712 in words is "five billion, nine hundred ninety-one million, three hundred seventy-one thousand, seven hundred twelve".