201255106263 has 4 divisors (see below), whose sum is σ = 268340141688. Its totient is φ = 134170070840.

The previous prime is 201255106243. The next prime is 201255106267. The reversal of 201255106263 is 362601552102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201255106263 - 2⁸ = 201255106007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201255106267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33542517708 + ... + 33542517713.

It is an arithmetic number, because the mean of its divisors is an integer number (67085035422).

Almost surely, 2^201255106263 is an apocalyptic number.

201255106263 is a deficient number, since it is larger than the sum of its proper divisors (67085035425).

201255106263 is an equidigital number, since it uses as much as digits as its factorization.

201255106263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67085035424.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 201255106263 its reverse (362601552102), we get a palindrome (563856658365).

The spelling of 201255106263 in words is "two hundred one billion, two hundred fifty-five million, one hundred six thousand, two hundred sixty-three".