5911311312 has 120 divisors (see below), whose sum is σ = 18059364960. Its totient is φ = 1866706560.

The previous prime is 5911311233. The next prime is 5911311379. The reversal of 5911311312 is 2131131195.

It is a happy number.

It is a super-2 number, since 2×5911311312² = 69887202854758322688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33862 + ... + 113882.

It is an arithmetic number, because the mean of its divisors is an integer number (150494708).

Almost surely, 2^5911311312 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 5911311312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9029682480).

5911311312 is an abundant number, since it is smaller than the sum of its proper divisors (12148053648).

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

5911311312 is a wasteful number, since it uses less digits than its factorization.

5911311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80063 (or 80045 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 5911311312 is about 76885.0525915148. The cubic root of 5911311312 is about 1808.1228885720.

The spelling of 5911311312 in words is "five billion, nine hundred eleven million, three hundred eleven thousand, three hundred twelve".