1196365040621 has 2 divisors, whose sum is σ = 1196365040622. Its totient is φ = 1196365040620.

The previous prime is 1196365040599. The next prime is 1196365040671. The reversal of 1196365040621 is 1260405636911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683259294025 + 513105746596 = 826595^2 + 716314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196365040621 - 2²⁶ = 1196297931757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1196365040671) 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 as a sum of consecutive naturals, namely, 598182520310 + 598182520311.

It is an arithmetic number, because the mean of its divisors is an integer number (598182520311).

Almost surely, 2^{1196365040621} is an apocalyptic number.

It is an amenable number.

1196365040621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196365040621 is an equidigital number, since it uses as much as digits as its factorization.

1196365040621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 1196365040621 in words is "one trillion, one hundred ninety-six billion, three hundred sixty-five million, forty thousand, six hundred twenty-one".