6551113144 has 32 divisors (see below), whose sum is σ = 12829172400. Its totient is φ = 3133002240.

The previous prime is 6551113141. The next prime is 6551113171. The reversal of 6551113144 is 4413111556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551113141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170097 + ... + 205024.

Almost surely, 2^6551113144 is an apocalyptic number.

It is an amenable number.

6551113144 is a deficient number, since it is larger than the sum of its proper divisors (6278059256).

6551113144 is a wasteful number, since it uses less digits than its factorization.

6551113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375223 (or 375219 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 6551113144 is about 80938.9470156364. The cubic root of 6551113144 is about 1871.1346164204.

The spelling of 6551113144 in words is "six billion, five hundred fifty-one million, one hundred thirteen thousand, one hundred forty-four".