5721111100 has 36 divisors (see below), whose sum is σ = 12428126424. Its totient is φ = 2285990080.

The previous prime is 5721110987. The next prime is 5721111139. The reversal of 5721111100 is 11111275.

It is a super-2 number, since 2×5721111100² = 65462224437086420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64494 + ... + 124906.

It is an arithmetic number, because the mean of its divisors is an integer number (345225734).

Almost surely, 2^5721111100 is an apocalyptic number.

5721111100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5721111100 is an abundant number, since it is smaller than the sum of its proper divisors (6707015324).

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

5721111100 is a wasteful number, since it uses less digits than its factorization.

5721111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61374 (or 61367 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 19.

The square root of 5721111100 is about 75638.0268119152. The cubic root of 5721111100 is about 1788.5185978908.

Adding to 5721111100 its reverse (11111275), we get a palindrome (5732222375).

The spelling of 5721111100 in words is "five billion, seven hundred twenty-one million, one hundred eleven thousand, one hundred".