11341405261 has 2 divisors, whose sum is σ = 11341405262. Its totient is φ = 11341405260.

The previous prime is 11341405249. The next prime is 11341405301. The reversal of 11341405261 is 16250414311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11263789161 + 77616100 = 106131^2 + 8810^2 .

It is a cyclic number.

It is not a de Polignac number, because 11341405261 - 2²¹ = 11339308109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11341405661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670702630 + 5670702631.

It is an arithmetic number, because the mean of its divisors is an integer number (5670702631).

Almost surely, 2^11341405261 is an apocalyptic number.

It is an amenable number.

11341405261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11341405261 is an equidigital number, since it uses as much as digits as its factorization.

11341405261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 11341405261 its reverse (16250414311), we get a palindrome (27591819572).

The spelling of 11341405261 in words is "eleven billion, three hundred forty-one million, four hundred five thousand, two hundred sixty-one".