5521043011 has 4 divisors (see below), whose sum is σ = 6022956024. Its totient is φ = 5019130000.

The previous prime is 5521042907. The next prime is 5521043057. The reversal of 5521043011 is 1103401255.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5521043011 - 2⁷ = 5521042883 is a prime.

It is a super-2 number, since 2×5521043011² = 60963831858623892242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521043081) 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, 250956490 + ... + 250956511.

It is an arithmetic number, because the mean of its divisors is an integer number (1505739006).

Almost surely, 2^5521043011 is an apocalyptic number.

5521043011 is a deficient number, since it is larger than the sum of its proper divisors (501913013).

5521043011 is a wasteful number, since it uses less digits than its factorization.

5521043011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501913012.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5521043011 is about 74303.7213805607. The cubic root of 5521043011 is about 1767.4224893671.

Adding to 5521043011 its reverse (1103401255), we get a palindrome (6624444266).

The spelling of 5521043011 in words is "five billion, five hundred twenty-one million, forty-three thousand, eleven".