2123056729411 has 2 divisors, whose sum is σ = 2123056729412. Its totient is φ = 2123056729410.

The previous prime is 2123056729393. The next prime is 2123056729463. The reversal of 2123056729411 is 1149276503212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123056729411 - 2⁹ = 2123056728899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123056721411) 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, 1061528364705 + 1061528364706.

It is an arithmetic number, because the mean of its divisors is an integer number (1061528364706).

Almost surely, 2^{2123056729411} is an apocalyptic number.

2123056729411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123056729411 is an equidigital number, since it uses as much as digits as its factorization.

2123056729411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 2123056729411 in words is "two trillion, one hundred twenty-three billion, fifty-six million, seven hundred twenty-nine thousand, four hundred eleven".