6511000551 has 16 divisors (see below), whose sum is σ = 9649238400. Its totient is φ = 3871605920.

The previous prime is 6511000477. The next prime is 6511000553. The reversal of 6511000551 is 1550001156.

It is a cyclic number.

It is not a de Polignac number, because 6511000551 - 2⁷ = 6511000423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511000553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859601 + ... + 1863098.

It is an arithmetic number, because the mean of its divisors is an integer number (603077400).

Almost surely, 2^6511000551 is an apocalyptic number.

6511000551 is a deficient number, since it is larger than the sum of its proper divisors (3138237849).

6511000551 is a wasteful number, since it uses less digits than its factorization.

6511000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722766.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 6511000551 is about 80690.7711637459. The cubic root of 6511000551 is about 1867.3077973333.

The spelling of 6511000551 in words is "six billion, five hundred eleven million, five hundred fifty-one", and thus it is an aban number.