285119999999 has 4 divisors (see below), whose sum is σ = 285300571560. Its totient is φ = 284939428440.

The previous prime is 285119999993. The next prime is 285120000037. The reversal of 285119999999 is 999999911582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285119999999 is a prime.

It is a Duffinian number.

285119999999 is a modest number, since divided by 999999 gives 285119 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285119999993) 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, 90283412 + ... + 90286569.

It is an arithmetic number, because the mean of its divisors is an integer number (71325142890).

Almost surely, 2^285119999999 is an apocalyptic number.

285119999999 is a deficient number, since it is larger than the sum of its proper divisors (180571561).

285119999999 is a wasteful number, since it uses less digits than its factorization.

285119999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180571560.

The product of its digits is 382637520, while the sum is 80.

The spelling of 285119999999 in words is "two hundred eighty-five billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".