11132231230261 has 2 divisors, whose sum is σ = 11132231230262. Its totient is φ = 11132231230260.

The previous prime is 11132231230259. The next prime is 11132231230301. The reversal of 11132231230261 is 16203213223111.

11132231230261 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., 11120157396100 + 12073834161 = 3334690^2 + 109881^2 .

It is a cyclic number.

It is not a de Polignac number, because 11132231230261 - 2¹ = 11132231230259 is a prime.

Together with 11132231230259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11132231200261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566115615130 + 5566115615131.

It is an arithmetic number, because the mean of its divisors is an integer number (5566115615131).

Almost surely, 2^{11132231230261} is an apocalyptic number.

It is an amenable number.

11132231230261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132231230261 is an equidigital number, since it uses as much as digits as its factorization.

11132231230261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 11132231230261 its reverse (16203213223111), we get a palindrome (27335444453372).

The spelling of 11132231230261 in words is "eleven trillion, one hundred thirty-two billion, two hundred thirty-one million, two hundred thirty thousand, two hundred sixty-one".