10020543454529 has 2 divisors, whose sum is σ = 10020543454530. Its totient is φ = 10020543454528.

The previous prime is 10020543454517. The next prime is 10020543454541. The reversal of 10020543454529 is 92545434502001.

It is a balanced prime because it is at equal distance from previous prime (10020543454517) and next prime (10020543454541).

It can be written as a sum of positive squares in only one way, i.e., 10019155743025 + 1387711504 = 3165305^2 + 37252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020543454529 is a prime.

It is a super-3 number, since 3×10020543454529³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 10020543454529.

It is not a weakly prime, because it can be changed into another prime (10820543454529) 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, 5010271727264 + 5010271727265.

It is an arithmetic number, because the mean of its divisors is an integer number (5010271727265).

Almost surely, 2^{10020543454529} is an apocalyptic number.

It is an amenable number.

10020543454529 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020543454529 is an equidigital number, since it uses as much as digits as its factorization.

10020543454529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 10020543454529 in words is "ten trillion, twenty billion, five hundred forty-three million, four hundred fifty-four thousand, five hundred twenty-nine".