6506540101 has 16 divisors (see below), whose sum is σ = 7326668160. Its totient is φ = 5741660160.

The previous prime is 6506540087. The next prime is 6506540111. The reversal of 6506540101 is 1010456056.

It is not a de Polignac number, because 6506540101 - 2¹¹ = 6506538053 is a prime.

It is a super-3 number, since 3×6506540101³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6506540101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506540111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72505 + ... + 135166.

It is an arithmetic number, because the mean of its divisors is an integer number (457916760).

Almost surely, 2^6506540101 is an apocalyptic number.

It is an amenable number.

6506540101 is a deficient number, since it is larger than the sum of its proper divisors (820128059).

6506540101 is a wasteful number, since it uses less digits than its factorization.

6506540101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207804.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 6506540101 is about 80663.1272701474. The cubic root of 6506540101 is about 1866.8812916733.

Adding to 6506540101 its reverse (1010456056), we get a palindrome (7516996157).

The spelling of 6506540101 in words is "six billion, five hundred six million, five hundred forty thousand, one hundred one".