6667041378111 has 16 divisors (see below), whose sum is σ = 9015076401408. Its totient is φ = 4381857043200.

The previous prime is 6667041378073. The next prime is 6667041378119. The reversal of 6667041378111 is 1118731407666.

It is not a de Polignac number, because 6667041378111 - 2¹⁷ = 6667041247039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667041378119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3168591 + ... + 4834671.

It is an arithmetic number, because the mean of its divisors is an integer number (563442275088).

Almost surely, 2^{6667041378111} is an apocalyptic number.

6667041378111 is a deficient number, since it is larger than the sum of its proper divisors (2348035023297).

6667041378111 is a wasteful number, since it uses less digits than its factorization.

6667041378111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684942.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 6667041378111 in words is "six trillion, six hundred sixty-seven billion, forty-one million, three hundred seventy-eight thousand, one hundred eleven".