6450811011 has 24 divisors (see below), whose sum is σ = 10146474000. Its totient is φ = 3933703872.

The previous prime is 6450811009. The next prime is 6450811013. The reversal of 6450811011 is 1101180546.

6450811011 is a `hidden beast` number, since 645 + 0 + 8 + 1 + 1 + 0 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (6450811009) and next prime (6450811013).

It is not a de Polignac number, because 6450811011 - 2¹ = 6450811009 is a prime.

It is a super-2 number, since 2×6450811011² = 83225925399277684242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6450811013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645456 + ... + 655373.

It is an arithmetic number, because the mean of its divisors is an integer number (422769750).

Almost surely, 2^6450811011 is an apocalyptic number.

6450811011 is a deficient number, since it is larger than the sum of its proper divisors (3695662989).

6450811011 is a wasteful number, since it uses less digits than its factorization.

6450811011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300883 (or 1300880 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 6450811011 is about 80316.9409962805. The cubic root of 6450811011 is about 1861.5360005487.

Adding to 6450811011 its reverse (1101180546), we get a palindrome (7551991557).

The spelling of 6450811011 in words is "six billion, four hundred fifty million, eight hundred eleven thousand, eleven".