1211064773043 has 16 divisors (see below), whose sum is σ = 1650457416960. Its totient is φ = 789663250656.

The previous prime is 1211064773003. The next prime is 1211064773063. The reversal of 1211064773043 is 3403774601121.

It is not a de Polignac number, because 1211064773043 - 2¹⁷ = 1211064641971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211064772992 and 1211064773010.

It is not an unprimeable number, because it can be changed into a prime (1211064773003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17331055 + ... + 17400792.

It is an arithmetic number, because the mean of its divisors is an integer number (103153588560).

Almost surely, 2^{1211064773043} is an apocalyptic number.

1211064773043 is a deficient number, since it is larger than the sum of its proper divisors (439392643917).

1211064773043 is a wasteful number, since it uses less digits than its factorization.

1211064773043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34732106.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 1211064773043 in words is "one trillion, two hundred eleven billion, sixty-four million, seven hundred seventy-three thousand, forty-three".