1085718775 has 6 divisors (see below), whose sum is σ = 1346291312. Its totient is φ = 868575000.

The previous prime is 1085718773. The next prime is 1085718793. The reversal of 1085718775 is 5778175801.

It is not a de Polignac number, because 1085718775 - 2¹ = 1085718773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085718773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21714351 + ... + 21714400.

Almost surely, 2^1085718775 is an apocalyptic number.

1085718775 is a deficient number, since it is larger than the sum of its proper divisors (260572537).

1085718775 is an equidigital number, since it uses as much as digits as its factorization.

1085718775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43428761 (or 43428756 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 49.

The square root of 1085718775 is about 32950.2469641731. The cubic root of 1085718775 is about 1027.7933009478.

The spelling of 1085718775 in words is "one billion, eighty-five million, seven hundred eighteen thousand, seven hundred seventy-five".