5510611643 has 2 divisors, whose sum is σ = 5510611644. Its totient is φ = 5510611642.

The previous prime is 5510611633. The next prime is 5510611669. The reversal of 5510611643 is 3461160155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5510611643 - 2²² = 5506417339 is a prime.

It is not a weakly prime, because it can be changed into another prime (5510611633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755305821 + 2755305822.

It is an arithmetic number, because the mean of its divisors is an integer number (2755305822).

Almost surely, 2^5510611643 is an apocalyptic number.

5510611643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5510611643 is an equidigital number, since it uses as much as digits as its factorization.

5510611643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 5510611643 is about 74233.4940778083. The cubic root of 5510611643 is about 1766.3086745888.

Adding to 5510611643 its reverse (3461160155), we get a palindrome (8971771798).

The spelling of 5510611643 in words is "five billion, five hundred ten million, six hundred eleven thousand, six hundred forty-three".