203054143105 has 16 divisors (see below), whose sum is σ = 265861833984. Its totient is φ = 147650462080.

The previous prime is 203054143073. The next prime is 203054143133. The reversal of 203054143105 is 501341450302.

203054143105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203054143105 - 2⁵ = 203054143073 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 11304 + ... + 637366.

It is an arithmetic number, because the mean of its divisors is an integer number (16616364624).

Almost surely, 2^203054143105 is an apocalyptic number.

It is an amenable number.

203054143105 is a deficient number, since it is larger than the sum of its proper divisors (62807690879).

203054143105 is a wasteful number, since it uses less digits than its factorization.

203054143105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631976.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 203054143105 its reverse (501341450302), we get a palindrome (704395593407).

The spelling of 203054143105 in words is "two hundred three billion, fifty-four million, one hundred forty-three thousand, one hundred five".