5510116021 has 4 divisors (see below), whose sum is σ = 5510376000. Its totient is φ = 5509856044.

The previous prime is 5510115997. The next prime is 5510116039. The reversal of 5510116021 is 1206110155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5510116021 - 2²⁷ = 5375898293 is a prime.

It is a super-2 number, since 2×5510116021² = 60722757129761744882, 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 = 5510115983 and 5510116001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5510116091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95071 + ... + 141628.

It is an arithmetic number, because the mean of its divisors is an integer number (1377594000).

Almost surely, 2^5510116021 is an apocalyptic number.

It is an amenable number.

5510116021 is a deficient number, since it is larger than the sum of its proper divisors (259979).

5510116021 is a wasteful number, since it uses less digits than its factorization.

5510116021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259978.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 5510116021 is about 74230.1557387562. The cubic root of 5510116021 is about 1766.2557193247.

Adding to 5510116021 its reverse (1206110155), we get a palindrome (6716226176).

The spelling of 5510116021 in words is "five billion, five hundred ten million, one hundred sixteen thousand, twenty-one".