71729461211 has 2 divisors, whose sum is σ = 71729461212. Its totient is φ = 71729461210.

The previous prime is 71729461151. The next prime is 71729461273. The reversal of 71729461211 is 11216492717.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71729461211 - 2¹⁴ = 71729444827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (71729460211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35864730605 + 35864730606.

It is an arithmetic number, because the mean of its divisors is an integer number (35864730606).

Almost surely, 2^71729461211 is an apocalyptic number.

71729461211 is a deficient number, since it is larger than the sum of its proper divisors (1).

71729461211 is an equidigital number, since it uses as much as digits as its factorization.

71729461211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 41.

The spelling of 71729461211 in words is "seventy-one billion, seven hundred twenty-nine million, four hundred sixty-one thousand, two hundred eleven".