285021047151 has 12 divisors (see below), whose sum is σ = 411702153720. Its totient is φ = 190011684240.

The previous prime is 285021047131. The next prime is 285021047183. The reversal of 285021047151 is 151740120582.

It is a happy number.

285021047151 is a `hidden beast` number, since 28 + 502 + 10 + 4 + 71 + 51 = 666.

It is not a de Polignac number, because 285021047151 - 2⁷ = 285021047023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285021047111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891381 + ... + 1168161.

It is an arithmetic number, because the mean of its divisors is an integer number (34308512810).

Almost surely, 2^285021047151 is an apocalyptic number.

285021047151 is a deficient number, since it is larger than the sum of its proper divisors (126681106569).

285021047151 is a wasteful number, since it uses less digits than its factorization.

285021047151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391206 (or 391203 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 285021047151 in words is "two hundred eighty-five billion, twenty-one million, forty-seven thousand, one hundred fifty-one".