1028547081403 has 2 divisors, whose sum is σ = 1028547081404. Its totient is φ = 1028547081402.

The previous prime is 1028547081391. The next prime is 1028547081409. The reversal of 1028547081403 is 3041807458201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028547081403 - 2¹⁷ = 1028546950331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028547081403.

It is not a weakly prime, because it can be changed into another prime (1028547081409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514273540701 + 514273540702.

It is an arithmetic number, because the mean of its divisors is an integer number (514273540702).

Almost surely, 2^{1028547081403} is an apocalyptic number.

1028547081403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028547081403 is an equidigital number, since it uses as much as digits as its factorization.

1028547081403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 1028547081403 in words is "one trillion, twenty-eight billion, five hundred forty-seven million, eighty-one thousand, four hundred three".