235126220036261 has 2 divisors, whose sum is σ = 235126220036262. Its totient is φ = 235126220036260.

The previous prime is 235126220036237. The next prime is 235126220036321. The reversal of 235126220036261 is 162630022621532.

235126220036261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230086729332100 + 5039490704161 = 15168610^2 + 2244881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235126220036261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235126220036761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117563110018130 + 117563110018131.

It is an arithmetic number, because the mean of its divisors is an integer number (117563110018131).

Almost surely, 2^{235126220036261} is an apocalyptic number.

It is an amenable number.

235126220036261 is a deficient number, since it is larger than the sum of its proper divisors (1).

235126220036261 is an equidigital number, since it uses as much as digits as its factorization.

235126220036261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 235126220036261 its reverse (162630022621532), we get a palindrome (397756242657793).

The spelling of 235126220036261 in words is "two hundred thirty-five trillion, one hundred twenty-six billion, two hundred twenty million, thirty-six thousand, two hundred sixty-one".