1320365674801 has 2 divisors, whose sum is σ = 1320365674802. Its totient is φ = 1320365674800.

The previous prime is 1320365674783. The next prime is 1320365674811. The reversal of 1320365674801 is 1084765630231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781314566400 + 539051108401 = 883920^2 + 734201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320365674801 - 2⁷ = 1320365674673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320365674811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660182837400 + 660182837401.

It is an arithmetic number, because the mean of its divisors is an integer number (660182837401).

Almost surely, 2^{1320365674801} is an apocalyptic number.

It is an amenable number.

1320365674801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320365674801 is an equidigital number, since it uses as much as digits as its factorization.

1320365674801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1320365674801 in words is "one trillion, three hundred twenty billion, three hundred sixty-five million, six hundred seventy-four thousand, eight hundred one".