5520415511 has 4 divisors (see below), whose sum is σ = 5945062872. Its totient is φ = 5095768152.

The previous prime is 5520415421. The next prime is 5520415519. The reversal of 5520415511 is 1155140255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5520415511 is a prime.

It is a super-2 number, since 2×5520415511² = 60949974828178782242, which 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 (5520415519) 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, 212323661 + ... + 212323686.

It is an arithmetic number, because the mean of its divisors is an integer number (1486265718).

Almost surely, 2^5520415511 is an apocalyptic number.

5520415511 is a deficient number, since it is larger than the sum of its proper divisors (424647361).

5520415511 is a wasteful number, since it uses less digits than its factorization.

5520415511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424647360.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 5520415511 is about 74299.4987264383. The cubic root of 5520415511 is about 1767.3555274042.

Adding to 5520415511 its reverse (1155140255), we get a palindrome (6675555766).

The spelling of 5520415511 in words is "five billion, five hundred twenty million, four hundred fifteen thousand, five hundred eleven".