6665475031411 has 16 divisors (see below), whose sum is σ = 7666573075200. Its totient is φ = 5676640669728.

The previous prime is 6665475031343. The next prime is 6665475031459. The reversal of 6665475031411 is 1141305745666.

It is not a de Polignac number, because 6665475031411 - 2¹¹ = 6665475029363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665475031471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169260 + ... + 3655078.

It is an arithmetic number, because the mean of its divisors is an integer number (479160817200).

Almost surely, 2^{6665475031411} is an apocalyptic number.

6665475031411 is a deficient number, since it is larger than the sum of its proper divisors (1001098043789).

6665475031411 is a wasteful number, since it uses less digits than its factorization.

6665475031411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487578.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 6665475031411 in words is "six trillion, six hundred sixty-five billion, four hundred seventy-five million, thirty-one thousand, four hundred eleven".