6650115001 has 4 divisors (see below), whose sum is σ = 6650454132. Its totient is φ = 6649775872.

The previous prime is 6650114993. The next prime is 6650115037. The reversal of 6650115001 is 1005110566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2756355001 + 3893760000 = 52501^2 + 62400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6650115001 - 2³ = 6650114993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6650115041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138220 + ... + 180013.

It is an arithmetic number, because the mean of its divisors is an integer number (1662613533).

Almost surely, 2^6650115001 is an apocalyptic number.

It is an amenable number.

6650115001 is a deficient number, since it is larger than the sum of its proper divisors (339131).

6650115001 is a wasteful number, since it uses less digits than its factorization.

6650115001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339130.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 6650115001 is about 81548.2372648238. The cubic root of 6650115001 is about 1880.5131955881.

Adding to 6650115001 its reverse (1005110566), we get a palindrome (7655225567).

The spelling of 6650115001 in words is "six billion, six hundred fifty million, one hundred fifteen thousand, one".