5721128504 has 32 divisors (see below), whose sum is σ = 13202605920. Its totient is φ = 2263303296.

The previous prime is 5721128503. The next prime is 5721128521. The reversal of 5721128504 is 4058211275.

It is a super-2 number, since 2×5721128504² = 65462622718562556032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721128503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928619 + ... + 3930074.

It is an arithmetic number, because the mean of its divisors is an integer number (412581435).

Almost surely, 2^5721128504 is an apocalyptic number.

It is an amenable number.

5721128504 is an abundant number, since it is smaller than the sum of its proper divisors (7481477416).

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

5721128504 is a wasteful number, since it uses less digits than its factorization.

5721128504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858719 (or 7858715 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 5721128504 is about 75638.1418597787. The cubic root of 5721128504 is about 1788.5204114864.

Adding to 5721128504 its reverse (4058211275), we get a palindrome (9779339779).

The spelling of 5721128504 in words is "five billion, seven hundred twenty-one million, one hundred twenty-eight thousand, five hundred four".