1002555544213 has 2 divisors, whose sum is σ = 1002555544214. Its totient is φ = 1002555544212.

The previous prime is 1002555544189. The next prime is 1002555544223. The reversal of 1002555544213 is 3124455552001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922105029169 + 80450515044 = 960263^2 + 283638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002555544213 - 2⁹ = 1002555543701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002555544223) 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, 501277772106 + 501277772107.

It is an arithmetic number, because the mean of its divisors is an integer number (501277772107).

Almost surely, 2^{1002555544213} is an apocalyptic number.

It is an amenable number.

1002555544213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002555544213 is an equidigital number, since it uses as much as digits as its factorization.

1002555544213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1002555544213 in words is "one trillion, two billion, five hundred fifty-five million, five hundred forty-four thousand, two hundred thirteen".