1012773314561 has 2 divisors, whose sum is σ = 1012773314562. Its totient is φ = 1012773314560.

The previous prime is 1012773314543. The next prime is 1012773314599. The reversal of 1012773314561 is 1654133772101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881497532161 + 131275782400 = 938881^2 + 362320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012773314561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012773314261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506386657280 + 506386657281.

It is an arithmetic number, because the mean of its divisors is an integer number (506386657281).

Almost surely, 2^{1012773314561} is an apocalyptic number.

It is an amenable number.

1012773314561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012773314561 is an equidigital number, since it uses as much as digits as its factorization.

1012773314561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 1012773314561 in words is "one trillion, twelve billion, seven hundred seventy-three million, three hundred fourteen thousand, five hundred sixty-one".