6551541113 has 4 divisors (see below), whose sum is σ = 7055505828. Its totient is φ = 6047576400.

The previous prime is 6551541109. The next prime is 6551541131. The reversal of 6551541113 is 3111451556.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1999610089 + 4551931024 = 44717^2 + 67468^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551541113 - 2² = 6551541109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6551541113.

It is not an unprimeable number, because it can be changed into a prime (6551541013) 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, 251982338 + ... + 251982363.

It is an arithmetic number, because the mean of its divisors is an integer number (1763876457).

Almost surely, 2^6551541113 is an apocalyptic number.

It is an amenable number.

6551541113 is a deficient number, since it is larger than the sum of its proper divisors (503964715).

6551541113 is a wasteful number, since it uses less digits than its factorization.

6551541113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503964714.

The product of its digits is 9000, while the sum is 32.

The square root of 6551541113 is about 80941.5907491322. The cubic root of 6551541113 is about 1871.1753611587.

Adding to 6551541113 its reverse (3111451556), we get a palindrome (9662992669).

The spelling of 6551541113 in words is "six billion, five hundred fifty-one million, five hundred forty-one thousand, one hundred thirteen".