6501235113 has 6 divisors (see below), whose sum is σ = 9390672954. Its totient is φ = 4334156736.

The previous prime is 6501235099. The next prime is 6501235141. The reversal of 6501235113 is 3115321056.

6501235113 is a `hidden beast` number, since 650 + 1 + 2 + 3 + 5 + 1 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6065761689 + 435473424 = 77883^2 + 20868^2 .

It is not a de Polignac number, because 6501235113 - 2⁶ = 6501235049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6501236113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361179720 + ... + 361179737.

It is an arithmetic number, because the mean of its divisors is an integer number (1565112159).

Almost surely, 2^6501235113 is an apocalyptic number.

It is an amenable number.

6501235113 is a deficient number, since it is larger than the sum of its proper divisors (2889437841).

6501235113 is a wasteful number, since it uses less digits than its factorization.

6501235113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722359463 (or 722359460 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 6501235113 is about 80630.2369648012. The cubic root of 6501235113 is about 1866.3737779236.

Adding to 6501235113 its reverse (3115321056), we get a palindrome (9616556169).

The spelling of 6501235113 in words is "six billion, five hundred one million, two hundred thirty-five thousand, one hundred thirteen".