1028028126325 has 12 divisors (see below), whose sum is σ = 1349740458180. Its totient is φ = 774044706560.

The previous prime is 1028028126317. The next prime is 1028028126331. The reversal of 1028028126325 is 5236218208201.

It can be written as a sum of positive squares in 6 ways, for example, as 17291461009 + 1010736665316 = 131497^2 + 1005354^2 .

It is not a de Polignac number, because 1028028126325 - 2³ = 1028028126317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1209444430 + ... + 1209445279.

It is an arithmetic number, because the mean of its divisors is an integer number (112478371515).

Almost surely, 2^{1028028126325} is an apocalyptic number.

It is an amenable number.

1028028126325 is a deficient number, since it is larger than the sum of its proper divisors (321712331855).

1028028126325 is a wasteful number, since it uses less digits than its factorization.

1028028126325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418889736 (or 2418889731 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 1028028126325 in words is "one trillion, twenty-eight billion, twenty-eight million, one hundred twenty-six thousand, three hundred twenty-five".