203054020424455 has 16 divisors (see below), whose sum is σ = 258822324432864. Its totient is φ = 152399273794560.

The previous prime is 203054020424417. The next prime is 203054020424471. The reversal of 203054020424455 is 554424020450302.

203054020424455 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 203054020424455 - 2³⁷ = 202916581470983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3816060981 + ... + 3816114190.

It is an arithmetic number, because the mean of its divisors is an integer number (16176395277054).

Almost surely, 2^{203054020424455} is an apocalyptic number.

203054020424455 is a deficient number, since it is larger than the sum of its proper divisors (55768304008409).

203054020424455 is a wasteful number, since it uses less digits than its factorization.

203054020424455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632175506.

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 203054020424455 its reverse (554424020450302), we get a palindrome (757478040874757).

The spelling of 203054020424455 in words is "two hundred three trillion, fifty-four billion, twenty million, four hundred twenty-four thousand, four hundred fifty-five".