266005373607041 has 4 divisors (see below), whose sum is σ = 266147091975252. Its totient is φ = 265863655238832.

The previous prime is 266005373607011. The next prime is 266005373607053. The reversal of 266005373607041 is 140706373500662.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52869316934641 + 213136056672400 = 7271129^2 + 14599180^2 .

It is a cyclic number.

It is not a de Polignac number, because 266005373607041 - 2⁴⁶ = 195636629429377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (266005373607011) 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, 70859181290 + ... + 70859185043.

It is an arithmetic number, because the mean of its divisors is an integer number (66536772993813).

Almost surely, 2^{266005373607041} is an apocalyptic number.

It is an amenable number.

266005373607041 is a deficient number, since it is larger than the sum of its proper divisors (141718368211).

266005373607041 is a wasteful number, since it uses less digits than its factorization.

266005373607041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141718368210.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 266005373607041 in words is "two hundred sixty-six trillion, five billion, three hundred seventy-three million, six hundred seven thousand, forty-one".