1031085250256 has 40 divisors (see below), whose sum is σ = 2061265987200. Its totient is φ = 499371807744.

The previous prime is 1031085250241. The next prime is 1031085250271. The reversal of 1031085250256 is 6520525801301.

It is an interprime number because it is at equal distance from previous prime (1031085250241) and next prime (1031085250271).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994706 + ... + 7140593.

It is an arithmetic number, because the mean of its divisors is an integer number (51531649680).

Almost surely, 2^{1031085250256} is an apocalyptic number.

1031085250256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1031085250256 is a deficient number, since it is larger than the sum of its proper divisors (1030180736944).

1031085250256 is a wasteful number, since it uses less digits than its factorization.

1031085250256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135451 (or 14135445 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 1031085250256 in words is "one trillion, thirty-one billion, eighty-five million, two hundred fifty thousand, two hundred fifty-six".