11012261163601 has 2 divisors, whose sum is σ = 11012261163602. Its totient is φ = 11012261163600.

The previous prime is 11012261163587. The next prime is 11012261163671. The reversal of 11012261163601 is 10636116221011.

11012261163601 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., 6799833307201 + 4212427856400 = 2607649^2 + 2052420^2 .

It is an emirp because it is prime and its reverse (10636116221011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11012261163601 - 2⁵ = 11012261163569 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012261163671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506130581800 + 5506130581801.

It is an arithmetic number, because the mean of its divisors is an integer number (5506130581801).

Almost surely, 2^{11012261163601} is an apocalyptic number.

It is an amenable number.

11012261163601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012261163601 is an equidigital number, since it uses as much as digits as its factorization.

11012261163601 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 31.

Adding to 11012261163601 its reverse (10636116221011), we get a palindrome (21648377384612).

The spelling of 11012261163601 in words is "eleven trillion, twelve billion, two hundred sixty-one million, one hundred sixty-three thousand, six hundred one".