6511000552 has 32 divisors (see below), whose sum is σ = 14090296320. Its totient is φ = 2762798400.

The previous prime is 6511000477. The next prime is 6511000553. The reversal of 6511000552 is 2550001156.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569928 + ... + 581239.

It is an arithmetic number, because the mean of its divisors is an integer number (440321760).

Almost surely, 2^6511000552 is an apocalyptic number.

It is an amenable number.

6511000552 is an abundant number, since it is smaller than the sum of its proper divisors (7579295768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6511000552 is a wasteful number, since it uses less digits than its factorization.

6511000552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151281 (or 1151277 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 6511000552 is about 80690.7711699424. The cubic root of 6511000552 is about 1867.3077974289.

The spelling of 6511000552 in words is "six billion, five hundred eleven million, five hundred fifty-two", and thus it is an aban number.