5516113561 has 4 divisors (see below), whose sum is σ = 6304129792. Its totient is φ = 4728097332.

The previous prime is 5516113553. The next prime is 5516113579. The reversal of 5516113561 is 1653116155.

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 not a de Polignac number, because 5516113561 - 2³ = 5516113553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5516113501) 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, 394008105 + ... + 394008118.

It is an arithmetic number, because the mean of its divisors is an integer number (1576032448).

Almost surely, 2^5516113561 is an apocalyptic number.

It is an amenable number.

5516113561 is a deficient number, since it is larger than the sum of its proper divisors (788016231).

5516113561 is an equidigital number, since it uses as much as digits as its factorization.

5516113561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788016230.

The product of its digits is 13500, while the sum is 34.

The square root of 5516113561 is about 74270.5430234625. The cubic root of 5516113561 is about 1766.8963197639.

The spelling of 5516113561 in words is "five billion, five hundred sixteen million, one hundred thirteen thousand, five hundred sixty-one".