250855785085 has 8 divisors (see below), whose sum is σ = 301821210720. Its totient is φ = 200155115664.

The previous prime is 250855785073. The next prime is 250855785107. The reversal of 250855785085 is 580587558052.

250855785085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 250855785085 - 2³¹ = 248708301437 is a prime.

It is a super-2 number, since 2×250855785085² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66186967 + ... + 66190756.

It is an arithmetic number, because the mean of its divisors is an integer number (37727651340).

Almost surely, 2^250855785085 is an apocalyptic number.

It is an amenable number.

250855785085 is a deficient number, since it is larger than the sum of its proper divisors (50965425635).

250855785085 is a wasteful number, since it uses less digits than its factorization.

250855785085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132378107.

The product of its (nonzero) digits is 22400000, while the sum is 58.

The spelling of 250855785085 in words is "two hundred fifty billion, eight hundred fifty-five million, seven hundred eighty-five thousand, eighty-five".