1085842047664 has 80 divisors (see below), whose sum is σ = 2416814064000. Its totient is φ = 467404508160.

The previous prime is 1085842047617. The next prime is 1085842047691. The reversal of 1085842047664 is 4667402485801.

1085842047664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8662267 + ... + 8786725.

It is an arithmetic number, because the mean of its divisors is an integer number (30210175800).

Almost surely, 2^{1085842047664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085842047664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208407032000).

1085842047664 is an abundant number, since it is smaller than the sum of its proper divisors (1330972016336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085842047664 is a wasteful number, since it uses less digits than its factorization.

1085842047664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127106 (or 127100 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 1085842047664 in words is "one trillion, eighty-five billion, eight hundred forty-two million, forty-seven thousand, six hundred sixty-four".