1585879941121 has 8 divisors (see below), whose sum is σ = 1812441931520. Its totient is φ = 1359319879008.

The previous prime is 1585879941047. The next prime is 1585879941197. The reversal of 1585879941121 is 1211499785851.

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

It is a de Polignac number, because none of the positive numbers 2^k-1585879941121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1585879941121.

It is not an unprimeable number, because it can be changed into a prime (1585879921121) 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, 2560525 + ... + 3118981.

It is an arithmetic number, because the mean of its divisors is an integer number (226555241440).

Almost surely, 2^{1585879941121} is an apocalyptic number.

It is an amenable number.

1585879941121 is a deficient number, since it is larger than the sum of its proper divisors (226561990399).

1585879941121 is an equidigital number, since it uses as much as digits as its factorization.

1585879941121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964143.

The product of its digits is 7257600, while the sum is 61.

The spelling of 1585879941121 in words is "one trillion, five hundred eighty-five billion, eight hundred seventy-nine million, nine hundred forty-one thousand, one hundred twenty-one".