1585142839192 has 16 divisors (see below), whose sum is σ = 3242337625800. Its totient is φ = 720519472320.

The previous prime is 1585142839097. The next prime is 1585142839193. The reversal of 1585142839192 is 2919382415851.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1585142839193) 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, 9006493317 + ... + 9006493492.

Almost surely, 2^{1585142839192} is an apocalyptic number.

It is an amenable number.

1585142839192 is an abundant number, since it is smaller than the sum of its proper divisors (1657194786608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1585142839192 is a wasteful number, since it uses less digits than its factorization.

1585142839192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18012986826 (or 18012986822 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 58.

The spelling of 1585142839192 in words is "one trillion, five hundred eighty-five billion, one hundred forty-two million, eight hundred thirty-nine thousand, one hundred ninety-two".