1085837084641 has 4 divisors (see below), whose sum is σ = 1087786523412. Its totient is φ = 1083887645872.

The previous prime is 1085837084627. The next prime is 1085837084663. The reversal of 1085837084641 is 1464807385801.

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 198652055616 + 887185029025 = 445704^2 + 941905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085837084641 - 2⁷ = 1085837084513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085837084671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974718550 + ... + 974719663.

It is an arithmetic number, because the mean of its divisors is an integer number (271946630853).

Almost surely, 2^{1085837084641} is an apocalyptic number.

It is an amenable number.

1085837084641 is a deficient number, since it is larger than the sum of its proper divisors (1949438771).

1085837084641 is an equidigital number, since it uses as much as digits as its factorization.

1085837084641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949438770.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 1085837084641 in words is "one trillion, eighty-five billion, eight hundred thirty-seven million, eighty-four thousand, six hundred forty-one".