6500001011 has 16 divisors (see below), whose sum is σ = 7700679936. Its totient is φ = 5370165216.

The previous prime is 6500000989. The next prime is 6500001059. The reversal of 6500001011 is 1101000056.

It is a cyclic number.

It is not a de Polignac number, because 6500001011 - 2¹⁴ = 6499984627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6500001811) 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 15 ways as a sum of consecutive naturals, for example, 89561 + ... + 144986.

It is an arithmetic number, because the mean of its divisors is an integer number (481292496).

Almost surely, 2^6500001011 is an apocalyptic number.

6500001011 is a deficient number, since it is larger than the sum of its proper divisors (1200678925).

6500001011 is a wasteful number, since it uses less digits than its factorization.

6500001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234698.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 6500001011 is about 80622.5837529411. The cubic root of 6500001011 is about 1866.2556751668.

Adding to 6500001011 its reverse (1101000056), we get a palindrome (7601001067).

The spelling of 6500001011 in words is "six billion, five hundred million, one thousand, eleven".