1361206103533 has 2 divisors, whose sum is σ = 1361206103534. Its totient is φ = 1361206103532.

The previous prime is 1361206103503. The next prime is 1361206103549. The reversal of 1361206103533 is 3353016021631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029662766729 + 331543336804 = 1014723^2 + 575798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361206103533 - 2⁵ = 1361206103501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361206103503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680603051766 + 680603051767.

It is an arithmetic number, because the mean of its divisors is an integer number (680603051767).

Almost surely, 2^{1361206103533} is an apocalyptic number.

It is an amenable number.

1361206103533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361206103533 is an equidigital number, since it uses as much as digits as its factorization.

1361206103533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 1361206103533 in words is "one trillion, three hundred sixty-one billion, two hundred six million, one hundred three thousand, five hundred thirty-three".