211305116666041 has 8 divisors (see below), whose sum is σ = 211503336346368. Its totient is φ = 211106969430000.

The previous prime is 211305116666009. The next prime is 211305116666051. The reversal of 211305116666041 is 140666611503112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 211305116666041 - 2⁵ = 211305116666009 is a prime.

It is a super-2 number, since 2×211305116666041² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211305116666051) 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, 12273865 + ... + 23942806.

It is an arithmetic number, because the mean of its divisors is an integer number (26437917043296).

Almost surely, 2^{211305116666041} is an apocalyptic number.

It is an amenable number.

211305116666041 is a deficient number, since it is larger than the sum of its proper divisors (198219680327).

211305116666041 is a wasteful number, since it uses less digits than its factorization.

211305116666041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36222143.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 211305116666041 in words is "two hundred eleven trillion, three hundred five billion, one hundred sixteen million, six hundred sixty-six thousand, forty-one".