203256855541 has 24 divisors (see below), whose sum is σ = 216456712640. Its totient is φ = 190852108200.

The previous prime is 203256855517. The next prime is 203256855553. The reversal of 203256855541 is 145558652302.

It is not a de Polignac number, because 203256855541 - 2¹⁹ = 203256331253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203256855491 and 203256855500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203256859541) 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, 458818866 + ... + 458819308.

Almost surely, 2^203256855541 is an apocalyptic number.

It is an amenable number.

203256855541 is a deficient number, since it is larger than the sum of its proper divisors (13199857099).

203256855541 is an frugal number, since it uses more digits than its factorization.

203256855541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 203256855541 in words is "two hundred three billion, two hundred fifty-six million, eight hundred fifty-five thousand, five hundred forty-one".