211325505427 has 2 divisors, whose sum is σ = 211325505428. Its totient is φ = 211325505426.

The previous prime is 211325505421. The next prime is 211325505431. The reversal of 211325505427 is 724505523112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211325505427 - 2¹¹ = 211325503379 is a prime.

It is not a weakly prime, because it can be changed into another prime (211325505421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105662752713 + 105662752714.

It is an arithmetic number, because the mean of its divisors is an integer number (105662752714).

Almost surely, 2^211325505427 is an apocalyptic number.

211325505427 is a deficient number, since it is larger than the sum of its proper divisors (1).

211325505427 is an equidigital number, since it uses as much as digits as its factorization.

211325505427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 211325505427 in words is "two hundred eleven billion, three hundred twenty-five million, five hundred five thousand, four hundred twenty-seven".