5721111029 has 4 divisors (see below), whose sum is σ = 5721563820. Its totient is φ = 5720658240.

The previous prime is 5721110987. The next prime is 5721111139. The reversal of 5721111029 is 9201111275.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2701608529 + 3019502500 = 51977^2 + 54950^2 .

It is a cyclic number.

It is not a de Polignac number, because 5721111029 - 2¹² = 5721106933 is a prime.

It is a super-2 number, since 2×5721111029² = 65462222812290877682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5721110992 and 5721111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721111229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206882 + ... + 232899.

It is an arithmetic number, because the mean of its divisors is an integer number (1430390955).

Almost surely, 2^5721111029 is an apocalyptic number.

It is an amenable number.

5721111029 is a deficient number, since it is larger than the sum of its proper divisors (452791).

5721111029 is a wasteful number, since it uses less digits than its factorization.

5721111029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452790.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 5721111029 is about 75638.0263425745. The cubic root of 5721111029 is about 1788.5185904922.

The spelling of 5721111029 in words is "five billion, seven hundred twenty-one million, one hundred eleven thousand, twenty-nine".