10345085085009 has 4 divisors (see below), whose sum is σ = 13793446780016. Its totient is φ = 6896723390004.

The previous prime is 10345085085001. The next prime is 10345085085061. The reversal of 10345085085009 is 90058058054301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10345085085009 - 2³ = 10345085085001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10345085085001) 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, 1724180847499 + ... + 1724180847504.

It is an arithmetic number, because the mean of its divisors is an integer number (3448361695004).

Almost surely, 2^{10345085085009} is an apocalyptic number.

It is an amenable number.

10345085085009 is a deficient number, since it is larger than the sum of its proper divisors (3448361695007).

10345085085009 is an equidigital number, since it uses as much as digits as its factorization.

10345085085009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448361695006.

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 10345085085009 in words is "ten trillion, three hundred forty-five billion, eighty-five million, eighty-five thousand, nine".