5510510505511 has 4 divisors (see below), whose sum is σ = 6011466006024. Its totient is φ = 5009555005000.

The previous prime is 5510510505449. The next prime is 5510510505629. The reversal of 5510510505511 is 1155050150155.

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 5510510505511 - 2³⁹ = 4960754691623 is a prime.

It is a super-2 number, since 2×5510510505511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5510510505011) 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, 250477750240 + ... + 250477750261.

It is an arithmetic number, because the mean of its divisors is an integer number (1502866501506).

Almost surely, 2^{5510510505511} is an apocalyptic number.

5510510505511 is a deficient number, since it is larger than the sum of its proper divisors (500955500513).

5510510505511 is a wasteful number, since it uses less digits than its factorization.

5510510505511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500955500512.

The product of its (nonzero) digits is 15625, while the sum is 34.

Adding to 5510510505511 its reverse (1155050150155), we get a palindrome (6665560655666).

The spelling of 5510510505511 in words is "five trillion, five hundred ten billion, five hundred ten million, five hundred five thousand, five hundred eleven".