5711505021 has 32 divisors (see below), whose sum is σ = 8759923200. Its totient is φ = 3673575360.

The previous prime is 5711505017. The next prime is 5711505049. The reversal of 5711505021 is 1205051175.

5711505021 is a `hidden beast` number, since 5 + 7 + 1 + 150 + 502 + 1 = 666.

5711505021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5711505021 - 2² = 5711505017 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5711505721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674700 + ... + 1678106.

It is an arithmetic number, because the mean of its divisors is an integer number (273747600).

Almost surely, 2^5711505021 is an apocalyptic number.

It is an amenable number.

5711505021 is a deficient number, since it is larger than the sum of its proper divisors (3048418179).

5711505021 is a wasteful number, since it uses less digits than its factorization.

5711505021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5580 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 5711505021 is about 75574.4998064823. The cubic root of 5711505021 is about 1787.5170281260.

Adding to 5711505021 its reverse (1205051175), we get a palindrome (6916556196).

The spelling of 5711505021 in words is "five billion, seven hundred eleven million, five hundred five thousand, twenty-one".