203542436055 has 16 divisors (see below), whose sum is σ = 372191883264. Its totient is φ = 93047970720.

The previous prime is 203542436047. The next prime is 203542436117. The reversal of 203542436055 is 550634245302.

203542436055 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 203542436055 - 2³ = 203542436047 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 969249591 + ... + 969249800.

It is an arithmetic number, because the mean of its divisors is an integer number (23261992704).

Almost surely, 2^203542436055 is an apocalyptic number.

203542436055 is a deficient number, since it is larger than the sum of its proper divisors (168649447209).

203542436055 is a wasteful number, since it uses less digits than its factorization.

203542436055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938499406.

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 203542436055 in words is "two hundred three billion, five hundred forty-two million, four hundred thirty-six thousand, fifty-five".