1085705017147 has 4 divisors (see below), whose sum is σ = 1087236336640. Its totient is φ = 1084173697656.

The previous prime is 1085705017063. The next prime is 1085705017193. The reversal of 1085705017147 is 7417105075801.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1085705017147 - 2¹¹ = 1085705015099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1085705017097 and 1085705017106.

It is not an unprimeable number, because it can be changed into a prime (1085705017547) 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, 765658683 + ... + 765660100.

It is an arithmetic number, because the mean of its divisors is an integer number (271809084160).

Almost surely, 2^{1085705017147} is an apocalyptic number.

1085705017147 is a deficient number, since it is larger than the sum of its proper divisors (1531319493).

1085705017147 is an equidigital number, since it uses as much as digits as its factorization.

1085705017147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531319492.

The product of its (nonzero) digits is 274400, while the sum is 46.

The spelling of 1085705017147 in words is "one trillion, eighty-five billion, seven hundred five million, seventeen thousand, one hundred forty-seven".