1085347885643 has 16 divisors (see below), whose sum is σ = 1274033575680. Its totient is φ = 905075604576.

The previous prime is 1085347885619. The next prime is 1085347885679. The reversal of 1085347885643 is 3465887435801.

It is a cyclic number.

It is not a de Polignac number, because 1085347885643 - 2⁸ = 1085347885387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085347885603) 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 15 ways as a sum of consecutive naturals, for example, 2872880 + ... + 3228642.

It is an arithmetic number, because the mean of its divisors is an integer number (79627098480).

Almost surely, 2^{1085347885643} is an apocalyptic number.

1085347885643 is a deficient number, since it is larger than the sum of its proper divisors (188685690037).

1085347885643 is a wasteful number, since it uses less digits than its factorization.

1085347885643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367586.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 1085347885643 in words is "one trillion, eighty-five billion, three hundred forty-seven million, eight hundred eighty-five thousand, six hundred forty-three".