216111982783 has 2 divisors, whose sum is σ = 216111982784. Its totient is φ = 216111982782.

The previous prime is 216111982759. The next prime is 216111982789. The reversal of 216111982783 is 387289111612.

216111982783 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 a de Polignac number, because none of the positive numbers 2^k-216111982783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216111982789) 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, 108055991391 + 108055991392.

It is an arithmetic number, because the mean of its divisors is an integer number (108055991392).

Almost surely, 2^216111982783 is an apocalyptic number.

216111982783 is a deficient number, since it is larger than the sum of its proper divisors (1).

216111982783 is an equidigital number, since it uses as much as digits as its factorization.

216111982783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 49.

The spelling of 216111982783 in words is "two hundred sixteen billion, one hundred eleven million, nine hundred eighty-two thousand, seven hundred eighty-three".