11110110010561 has 2 divisors, whose sum is σ = 11110110010562. Its totient is φ = 11110110010560.

The previous prime is 11110110010553. The next prime is 11110110010621. The reversal of 11110110010561 is 16501001101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9381779094961 + 1728330915600 = 3062969^2 + 1314660^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110110010561 - 2³ = 11110110010553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110110010511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055005280 + 5555055005281.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055005281).

Almost surely, 2^{11110110010561} is an apocalyptic number.

It is an amenable number.

11110110010561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110110010561 is an equidigital number, since it uses as much as digits as its factorization.

11110110010561 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 11110110010561 its reverse (16501001101111), we get a palindrome (27611111111672).

The spelling of 11110110010561 in words is "eleven trillion, one hundred ten billion, one hundred ten million, ten thousand, five hundred sixty-one".