285575005099 has 2 divisors, whose sum is σ = 285575005100. Its totient is φ = 285575005098.

The previous prime is 285575005063. The next prime is 285575005201. The reversal of 285575005099 is 990500575582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285575005099 - 2⁷ = 285575004971 is a prime.

It is not a weakly prime, because it can be changed into another prime (285575000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142787502549 + 142787502550.

It is an arithmetic number, because the mean of its divisors is an integer number (142787502550).

Almost surely, 2^285575005099 is an apocalyptic number.

285575005099 is a deficient number, since it is larger than the sum of its proper divisors (1).

285575005099 is an equidigital number, since it uses as much as digits as its factorization.

285575005099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670000, while the sum is 55.

The spelling of 285575005099 in words is "two hundred eighty-five billion, five hundred seventy-five million, five thousand, ninety-nine".