1085015521019 has 8 divisors (see below), whose sum is σ = 1127463173760. Its totient is φ = 1042903423296.

The previous prime is 1085015520989. The next prime is 1085015521063. The reversal of 1085015521019 is 9101255105801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1085015521019 - 2³² = 1080720553723 is a prime.

It is a super-2 number, since 2×1085015521019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085015523019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83882162 + ... + 83895095.

It is an arithmetic number, because the mean of its divisors is an integer number (140932896720).

Almost surely, 2^{1085015521019} is an apocalyptic number.

1085015521019 is a deficient number, since it is larger than the sum of its proper divisors (42447652741).

1085015521019 is a wasteful number, since it uses less digits than its factorization.

1085015521019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167777509.

The product of its (nonzero) digits is 18000, while the sum is 38.

The spelling of 1085015521019 in words is "one trillion, eighty-five billion, fifteen million, five hundred twenty-one thousand, nineteen".