1585408358513 has 8 divisors (see below), whose sum is σ = 1813421725632. Its totient is φ = 1357776606096.

The previous prime is 1585408358459. The next prime is 1585408358539. The reversal of 1585408358513 is 3158538045851.

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 1585408358513 - 2¹² = 1585408354417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1585408358563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95394770 + ... + 95411387.

It is an arithmetic number, because the mean of its divisors is an integer number (226677715704).

Almost surely, 2^{1585408358513} is an apocalyptic number.

It is an amenable number.

1585408358513 is a deficient number, since it is larger than the sum of its proper divisors (228013367119).

1585408358513 is a wasteful number, since it uses less digits than its factorization.

1585408358513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190807351.

The product of its (nonzero) digits is 11520000, while the sum is 56.

The spelling of 1585408358513 in words is "one trillion, five hundred eighty-five billion, four hundred eight million, three hundred fifty-eight thousand, five hundred thirteen".