233206255261 has 16 divisors (see below), whose sum is σ = 278241321600. Its totient is φ = 191227635648.

The previous prime is 233206255213. The next prime is 233206255273. The reversal of 233206255261 is 162552602332.

233206255261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233206255261 - 2¹⁷ = 233206124189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233206255261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233206255861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247595 + ... + 5291848.

It is an arithmetic number, because the mean of its divisors is an integer number (17390082600).

Almost surely, 2^233206255261 is an apocalyptic number.

It is an amenable number.

233206255261 is a deficient number, since it is larger than the sum of its proper divisors (45035066339).

233206255261 is a wasteful number, since it uses less digits than its factorization.

233206255261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539588.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 233206255261 its reverse (162552602332), we get a palindrome (395758857593).

The spelling of 233206255261 in words is "two hundred thirty-three billion, two hundred six million, two hundred fifty-five thousand, two hundred sixty-one".