6665944311095 has 4 divisors (see below), whose sum is σ = 7999133173320. Its totient is φ = 5332755448872.

The previous prime is 6665944311001. The next prime is 6665944311101. The reversal of 6665944311095 is 5901134495666.

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

It is a cyclic number.

It is not a de Polignac number, because 6665944311095 - 2¹⁶ = 6665944245559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666594431105 + ... + 666594431114.

It is an arithmetic number, because the mean of its divisors is an integer number (1999783293330).

Almost surely, 2^{6665944311095} is an apocalyptic number.

6665944311095 is a deficient number, since it is larger than the sum of its proper divisors (1333188862225).

6665944311095 is a wasteful number, since it uses less digits than its factorization.

6665944311095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333188862224.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 6665944311095 in words is "six trillion, six hundred sixty-five billion, nine hundred forty-four million, three hundred eleven thousand, ninety-five".