1025317024255 has 4 divisors (see below), whose sum is σ = 1230380429112. Its totient is φ = 820253619400.

The previous prime is 1025317024229. The next prime is 1025317024283. The reversal of 1025317024255 is 5524207135201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1025317024255 - 2⁵ = 1025317024223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102531702421 + ... + 102531702430.

It is an arithmetic number, because the mean of its divisors is an integer number (307595107278).

Almost surely, 2^{1025317024255} is an apocalyptic number.

1025317024255 is a deficient number, since it is larger than the sum of its proper divisors (205063404857).

1025317024255 is an equidigital number, since it uses as much as digits as its factorization.

1025317024255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205063404856.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 1025317024255 in words is "one trillion, twenty-five billion, three hundred seventeen million, twenty-four thousand, two hundred fifty-five".