5711811840 has 432 divisors, whose sum is σ = 22764338688. Its totient is φ = 1295253504.

The previous prime is 5711811839. The next prime is 5711811851. The reversal of 5711811840 is 481181175.

5711811840 is a `hidden beast` number, since 571 + 1 + 8 + 1 + 1 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5711811795 and 5711811804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15563337 + ... + 15563703.

Almost surely, 2^5711811840 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 5711811840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11382169344).

5711811840 is an abundant number, since it is smaller than the sum of its proper divisors (17052526848).

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

5711811840 is a wasteful number, since it uses less digits than its factorization.

5711811840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The square root of 5711811840 is about 75576.5296901095. The cubic root of 5711811840 is about 1787.5490357063.

The spelling of 5711811840 in words is "five billion, seven hundred eleven million, eight hundred eleven thousand, eight hundred forty".