203555523411140 has 12 divisors (see below), whose sum is σ = 427466599163436. Its totient is φ = 81422209364448.

The previous prime is 203555523411091. The next prime is 203555523411161. The reversal of 203555523411140 is 41114325555302.

203555523411140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 88045305496516 + 115510217914624 = 9383246^2 + 10747568^2 .

It is a super-2 number, since 2×203555523411140² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088888085259 + ... + 5088888085298.

It is an arithmetic number, because the mean of its divisors is an integer number (35622216596953).

Almost surely, 2^{203555523411140} is an apocalyptic number.

203555523411140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203555523411140 is an abundant number, since it is smaller than the sum of its proper divisors (223911075752296).

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

203555523411140 is a wasteful number, since it uses less digits than its factorization.

203555523411140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177776170566 (or 10177776170564 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 203555523411140 its reverse (41114325555302), we get a palindrome (244669848966442).

The spelling of 203555523411140 in words is "two hundred three trillion, five hundred fifty-five billion, five hundred twenty-three million, four hundred eleven thousand, one hundred forty".