1585715872873 has 16 divisors (see below), whose sum is σ = 1734955073280. Its totient is φ = 1437327072000.

The previous prime is 1585715872849. The next prime is 1585715872927. The reversal of 1585715872873 is 3782785175851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1585715872873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1585715872799 and 1585715872808.

It is not an unprimeable number, because it can be changed into a prime (1585715872673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10009363 + ... + 10166551.

It is an arithmetic number, because the mean of its divisors is an integer number (108434692080).

Almost surely, 2^{1585715872873} is an apocalyptic number.

It is an amenable number.

1585715872873 is a deficient number, since it is larger than the sum of its proper divisors (149239200407).

1585715872873 is a wasteful number, since it uses less digits than its factorization.

1585715872873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159888.

The product of its digits is 131712000, while the sum is 67.

The spelling of 1585715872873 in words is "one trillion, five hundred eighty-five billion, seven hundred fifteen million, eight hundred seventy-two thousand, eight hundred seventy-three".