211106542739 has 2 divisors, whose sum is σ = 211106542740. Its totient is φ = 211106542738.

The previous prime is 211106542721. The next prime is 211106542781. The reversal of 211106542739 is 937245601112.

211106542739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211106542739 - 2²⁰ = 211105494163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211106542696 and 211106542705.

It is not a weakly prime, because it can be changed into another prime (211106542799) 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, 105553271369 + 105553271370.

It is an arithmetic number, because the mean of its divisors is an integer number (105553271370).

Almost surely, 2^211106542739 is an apocalyptic number.

211106542739 is a deficient number, since it is larger than the sum of its proper divisors (1).

211106542739 is an equidigital number, since it uses as much as digits as its factorization.

211106542739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 211106542739 in words is "two hundred eleven billion, one hundred six million, five hundred forty-two thousand, seven hundred thirty-nine".