201034255503 has 16 divisors (see below), whose sum is σ = 281087111520. Its totient is φ = 127628734464.

The previous prime is 201034255441. The next prime is 201034255507. The reversal of 201034255503 is 305552430102.

It is not a de Polignac number, because 201034255503 - 2⁶ = 201034255439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201034255507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15820626 + ... + 15833327.

It is an arithmetic number, because the mean of its divisors is an integer number (17567944470).

Almost surely, 2^201034255503 is an apocalyptic number.

201034255503 is a deficient number, since it is larger than the sum of its proper divisors (80052856017).

201034255503 is a wasteful number, since it uses less digits than its factorization.

201034255503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31654058.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 201034255503 its reverse (305552430102), we get a palindrome (506586685605).

The spelling of 201034255503 in words is "two hundred one billion, thirty-four million, two hundred fifty-five thousand, five hundred three".