6651055011 has 8 divisors (see below), whose sum is σ = 8870069440. Its totient is φ = 4433038632.

The previous prime is 6651055007. The next prime is 6651055031. The reversal of 6651055011 is 1105501566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6651055011 - 2² = 6651055007 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 6651055011.

It is not an unprimeable number, because it can be changed into a prime (6651055031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233821 + ... + 260718.

It is an arithmetic number, because the mean of its divisors is an integer number (1108758680).

Almost surely, 2^6651055011 is an apocalyptic number.

6651055011 is a deficient number, since it is larger than the sum of its proper divisors (2219014429).

6651055011 is a wasteful number, since it uses less digits than its factorization.

6651055011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499025.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 6651055011 is about 81554.0005824362. Note that the first 3 decimals coincide. The cubic root of 6651055011 is about 1880.6017964582.

Adding to 6651055011 its reverse (1105501566), we get a palindrome (7756556577).

The spelling of 6651055011 in words is "six billion, six hundred fifty-one million, fifty-five thousand, eleven".