5991231120 has 640 divisors, whose sum is σ = 23779049472. Its totient is φ = 1216512000.

The previous prime is 5991231109. The next prime is 5991231157. The reversal of 5991231120 is 211321995.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 59319070 + ... + 59319170.

Almost surely, 2^5991231120 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 5991231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11889524736).

5991231120 is an abundant number, since it is smaller than the sum of its proper divisors (17787818352).

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

5991231120 is a wasteful number, since it uses less digits than its factorization.

5991231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 5991231120 is about 77403.0433510208. The cubic root of 5991231120 is about 1816.2349327657.

The spelling of 5991231120 in words is "five billion, nine hundred ninety-one million, two hundred thirty-one thousand, one hundred twenty".