1085109333599 has 4 divisors (see below), whose sum is σ = 1085199914760. Its totient is φ = 1085018752440.

The previous prime is 1085109333569. The next prime is 1085109333613. The reversal of 1085109333599 is 9953339015801.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085109333599 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 (1085109333569) 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, 45272609 + ... + 45296570.

It is an arithmetic number, because the mean of its divisors is an integer number (271299978690).

Almost surely, 2^{1085109333599} is an apocalyptic number.

1085109333599 is a deficient number, since it is larger than the sum of its proper divisors (90581161).

1085109333599 is an equidigital number, since it uses as much as digits as its factorization.

1085109333599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90581160.

The product of its (nonzero) digits is 3936600, while the sum is 56.

The spelling of 1085109333599 in words is "one trillion, eighty-five billion, one hundred nine million, three hundred thirty-three thousand, five hundred ninety-nine".