236225011261 has 2 divisors, whose sum is σ = 236225011262. Its totient is φ = 236225011260.

The previous prime is 236225011219. The next prime is 236225011303. The reversal of 236225011261 is 162110522632.

236225011261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (236225011219) and next prime (236225011303).

It can be written as a sum of positive squares in only one way, i.e., 212848436025 + 23376575236 = 461355^2 + 152894^2 .

It is a cyclic number.

It is not a de Polignac number, because 236225011261 - 2³⁷ = 98786057789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236225017261) 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 as a sum of consecutive naturals, namely, 118112505630 + 118112505631.

It is an arithmetic number, because the mean of its divisors is an integer number (118112505631).

Almost surely, 2^236225011261 is an apocalyptic number.

It is an amenable number.

236225011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

236225011261 is an equidigital number, since it uses as much as digits as its factorization.

236225011261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 236225011261 its reverse (162110522632), we get a palindrome (398335533893).

The spelling of 236225011261 in words is "two hundred thirty-six billion, two hundred twenty-five million, eleven thousand, two hundred sixty-one".