203011402255 has 24 divisors (see below), whose sum is σ = 257335916112. Its totient is φ = 153726253056.

The previous prime is 203011402229. The next prime is 203011402259. The reversal of 203011402255 is 552204110302.

It is not a de Polignac number, because 203011402255 - 2⁷ = 203011402127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203011402259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2032392 + ... + 2129938.

It is an arithmetic number, because the mean of its divisors is an integer number (10722329838).

Almost surely, 2^203011402255 is an apocalyptic number.

203011402255 is a deficient number, since it is larger than the sum of its proper divisors (54324513857).

203011402255 is a wasteful number, since it uses less digits than its factorization.

203011402255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98743 (or 98724 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 203011402255 its reverse (552204110302), we get a palindrome (755215512557).

The spelling of 203011402255 in words is "two hundred three billion, eleven million, four hundred two thousand, two hundred fifty-five".