5711238144 has 132 divisors (see below), whose sum is σ = 16538842944. Its totient is φ = 1898237952.

The previous prime is 5711238121. The next prime is 5711238151. The reversal of 5711238144 is 4418321175.

5711238144 is a `hidden beast` number, since 571 + 1 + 2 + 3 + 81 + 4 + 4 = 666.

It is a super-2 number, since 2×5711238144² = 65236482274961129472, which contains 22 as substring.

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 = 5711238099 and 5711238108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4303209 + ... + 4304535.

Almost surely, 2^5711238144 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 5711238144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8269421472).

5711238144 is an abundant number, since it is smaller than the sum of its proper divisors (10827604800).

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

5711238144 is a wasteful number, since it uses less digits than its factorization.

5711238144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1799 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 5711238144 is about 75572.7341307697. The cubic root of 5711238144 is about 1787.4891863919.

The spelling of 5711238144 in words is "five billion, seven hundred eleven million, two hundred thirty-eight thousand, one hundred forty-four".