2164250652211 has 2 divisors, whose sum is σ = 2164250652212. Its totient is φ = 2164250652210.

The previous prime is 2164250652209. The next prime is 2164250652217. The reversal of 2164250652211 is 1122560524612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2164250652211 - 2¹ = 2164250652209 is a prime.

Together with 2164250652209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2164250652217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082125326105 + 1082125326106.

It is an arithmetic number, because the mean of its divisors is an integer number (1082125326106).

Almost surely, 2^{2164250652211} is an apocalyptic number.

2164250652211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164250652211 is an equidigital number, since it uses as much as digits as its factorization.

2164250652211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 2164250652211 in words is "two trillion, one hundred sixty-four billion, two hundred fifty million, six hundred fifty-two thousand, two hundred eleven".