211131120439 has 2 divisors, whose sum is σ = 211131120440. Its totient is φ = 211131120438.

The previous prime is 211131120383. The next prime is 211131120469. The reversal of 211131120439 is 934021131112.

211131120439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211131120439 - 2¹⁷ = 211130989367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211131120469) 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 as a sum of consecutive naturals, namely, 105565560219 + 105565560220.

It is an arithmetic number, because the mean of its divisors is an integer number (105565560220).

Almost surely, 2^211131120439 is an apocalyptic number.

211131120439 is a deficient number, since it is larger than the sum of its proper divisors (1).

211131120439 is an equidigital number, since it uses as much as digits as its factorization.

211131120439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 211131120439 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty thousand, four hundred thirty-nine".