5911312320 has 168 divisors, whose sum is σ = 20619537120. Its totient is φ = 1554094080.

The previous prime is 5911312279. The next prime is 5911312327. The reversal of 5911312320 is 232131195.

5911312320 is a `hidden beast` number, since 591 + 1 + 31 + 23 + 20 = 666.

It is a super-2 number, since 2×5911312320² = 69887226689167564800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5911312327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190026 + ... + 218934.

It is an arithmetic number, because the mean of its divisors is an integer number (122735340).

Almost surely, 2^5911312320 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 5911312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10309768560).

5911312320 is an abundant number, since it is smaller than the sum of its proper divisors (14708224800).

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

5911312320 is a wasteful number, since it uses less digits than its factorization.

5911312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29003 (or 28990 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5911312320 is about 76885.0591467549. The cubic root of 5911312320 is about 1808.1229913460.

The spelling of 5911312320 in words is "five billion, nine hundred eleven million, three hundred twelve thousand, three hundred twenty".