11010110110561 has 2 divisors, whose sum is σ = 11010110110562. Its totient is φ = 11010110110560.

The previous prime is 11010110110529. The next prime is 11010110110567. The reversal of 11010110110561 is 16501101101011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9756283485025 + 1253826625536 = 3123505^2 + 1119744^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010110110561 - 2⁵ = 11010110110529 is a prime.

It is not a weakly prime, because it can be changed into another prime (11010110110567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505055055280 + 5505055055281.

It is an arithmetic number, because the mean of its divisors is an integer number (5505055055281).

Almost surely, 2^{11010110110561} is an apocalyptic number.

It is an amenable number.

11010110110561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010110110561 is an equidigital number, since it uses as much as digits as its factorization.

11010110110561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 19.

Adding to 11010110110561 its reverse (16501101101011), we get a palindrome (27511211211572).

The spelling of 11010110110561 in words is "eleven trillion, ten billion, one hundred ten million, one hundred ten thousand, five hundred sixty-one".