1380555505013 has 2 divisors, whose sum is σ = 1380555505014. Its totient is φ = 1380555505012.

The previous prime is 1380555504959. The next prime is 1380555505033. The reversal of 1380555505013 is 3105055550831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357546559044 + 23008945969 = 1165138^2 + 151687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380555505013 - 2¹⁰ = 1380555503989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380555505033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690277752506 + 690277752507.

It is an arithmetic number, because the mean of its divisors is an integer number (690277752507).

Almost surely, 2^{1380555505013} is an apocalyptic number.

It is an amenable number.

1380555505013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380555505013 is an equidigital number, since it uses as much as digits as its factorization.

1380555505013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 1380555505013 in words is "one trillion, three hundred eighty billion, five hundred fifty-five million, five hundred five thousand, thirteen".