1085303550281 has 4 divisors (see below), whose sum is σ = 1105780975812. Its totient is φ = 1064826124752.

The previous prime is 1085303550241. The next prime is 1085303550293. The reversal of 1085303550281 is 1820553035801.

1085303550281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 525829469881 + 559474080400 = 725141^2 + 747980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085303550281 - 2²² = 1085299355977 is a prime.

It is a super-2 number, since 2×1085303550281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085303550211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10238712686 + ... + 10238712791.

It is an arithmetic number, because the mean of its divisors is an integer number (276445243953).

Almost surely, 2^{1085303550281} is an apocalyptic number.

It is an amenable number.

1085303550281 is a deficient number, since it is larger than the sum of its proper divisors (20477425531).

1085303550281 is an equidigital number, since it uses as much as digits as its factorization.

1085303550281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20477425530.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 1085303550281 in words is "one trillion, eighty-five billion, three hundred three million, five hundred fifty thousand, two hundred eighty-one".