665115613041 has 8 divisors (see below), whose sum is σ = 967440891744. Its totient is φ = 403100371520.

The previous prime is 665115613007. The next prime is 665115613051. The reversal of 665115613041 is 140316511566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 665115613041 - 2⁷ = 665115612913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (665115613051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10077509256 + ... + 10077509321.

It is an arithmetic number, because the mean of its divisors is an integer number (120930111468).

Almost surely, 2^665115613041 is an apocalyptic number.

It is an amenable number.

665115613041 is a deficient number, since it is larger than the sum of its proper divisors (302325278703).

665115613041 is a wasteful number, since it uses less digits than its factorization.

665115613041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155018591.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 665115613041 in words is "six hundred sixty-five billion, one hundred fifteen million, six hundred thirteen thousand, forty-one".