6601005113 has 4 divisors (see below), whose sum is σ = 6693977088. Its totient is φ = 6508033140.

The previous prime is 6601005109. The next prime is 6601005163. The reversal of 6601005113 is 3115001066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6601005113 - 2² = 6601005109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6601005163) 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, 46485881 + ... + 46486022.

It is an arithmetic number, because the mean of its divisors is an integer number (1673494272).

Almost surely, 2^6601005113 is an apocalyptic number.

It is an amenable number.

6601005113 is a deficient number, since it is larger than the sum of its proper divisors (92971975).

6601005113 is an equidigital number, since it uses as much as digits as its factorization.

6601005113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92971974.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 6601005113 is about 81246.5698537483. The cubic root of 6601005113 is about 1875.8726711551.

Adding to 6601005113 its reverse (3115001066), we get a palindrome (9716006179).

The spelling of 6601005113 in words is "six billion, six hundred one million, five thousand, one hundred thirteen".