5721157111 has 4 divisors (see below), whose sum is σ = 5721308424. Its totient is φ = 5721005800.

The previous prime is 5721157061. The next prime is 5721157129. The reversal of 5721157111 is 1117511275.

5721157111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5721157111 - 2⁷ = 5721156983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721157171) 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 3 ways as a sum of consecutive naturals, for example, 35376 + ... + 112666.

It is an arithmetic number, because the mean of its divisors is an integer number (1430327106).

Almost surely, 2^5721157111 is an apocalyptic number.

5721157111 is a deficient number, since it is larger than the sum of its proper divisors (151313).

5721157111 is an equidigital number, since it uses as much as digits as its factorization.

5721157111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151312.

The product of its digits is 2450, while the sum is 31.

The square root of 5721157111 is about 75638.3309638704. The cubic root of 5721157111 is about 1788.5233924903.

Adding to 5721157111 its reverse (1117511275), we get a palindrome (6838668386).

The spelling of 5721157111 in words is "five billion, seven hundred twenty-one million, one hundred fifty-seven thousand, one hundred eleven".