255550133101 has 2 divisors, whose sum is σ = 255550133102. Its totient is φ = 255550133100.

The previous prime is 255550133063. The next prime is 255550133117. The reversal of 255550133101 is 101331055552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155057963076 + 100492170025 = 393774^2 + 317005^2 .

It is a cyclic number.

It is not a de Polignac number, because 255550133101 - 2¹³ = 255550124909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255550133191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127775066550 + 127775066551.

It is an arithmetic number, because the mean of its divisors is an integer number (127775066551).

Almost surely, 2^255550133101 is an apocalyptic number.

It is an amenable number.

255550133101 is a deficient number, since it is larger than the sum of its proper divisors (1).

255550133101 is an equidigital number, since it uses as much as digits as its factorization.

255550133101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 255550133101 its reverse (101331055552), we get a palindrome (356881188653).

The spelling of 255550133101 in words is "two hundred fifty-five billion, five hundred fifty million, one hundred thirty-three thousand, one hundred one".