205871550248 has 32 divisors (see below), whose sum is σ = 475088194560. Its totient is φ = 81443689920.

The previous prime is 205871550191. The next prime is 205871550259. The reversal of 205871550248 is 842055178502.

It is a super-3 number, since 3×205871550248³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141394568 + ... + 141396023.

It is an arithmetic number, because the mean of its divisors is an integer number (14846506080).

Almost surely, 2^205871550248 is an apocalyptic number.

205871550248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

205871550248 is an abundant number, since it is smaller than the sum of its proper divisors (269216644312).

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

205871550248 is a wasteful number, since it uses less digits than its factorization.

205871550248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282790617 (or 282790613 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 205871550248 in words is "two hundred five billion, eight hundred seventy-one million, five hundred fifty thousand, two hundred forty-eight".