1012533813617 has 2 divisors, whose sum is σ = 1012533813618. Its totient is φ = 1012533813616.

The previous prime is 1012533813611. The next prime is 1012533813619. The reversal of 1012533813617 is 7163183352101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966129760561 + 46404053056 = 982919^2 + 215416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012533813617 - 2⁶ = 1012533813553 is a prime.

Together with 1012533813619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1012533813611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506266906808 + 506266906809.

It is an arithmetic number, because the mean of its divisors is an integer number (506266906809).

Almost surely, 2^{1012533813617} is an apocalyptic number.

It is an amenable number.

1012533813617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012533813617 is an equidigital number, since it uses as much as digits as its factorization.

1012533813617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 1012533813617 in words is "one trillion, twelve billion, five hundred thirty-three million, eight hundred thirteen thousand, six hundred seventeen".