11110110009281 has 2 divisors, whose sum is σ = 11110110009282. Its totient is φ = 11110110009280.

The previous prime is 11110110009259. The next prime is 11110110009337. The reversal of 11110110009281 is 18290001101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5590387360000 + 5519722649281 = 2364400^2 + 2349409^2 .

It is an emirp because it is prime and its reverse (18290001101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11110110009281 - 2³⁰ = 11109036267457 is a prime.

It is a super-2 number, since 2×11110110009281² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11110110009281.

It is not a weakly prime, because it can be changed into another prime (11110110009221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055004640 + 5555055004641.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055004641).

Almost surely, 2^{11110110009281} is an apocalyptic number.

It is an amenable number.

11110110009281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110110009281 is an equidigital number, since it uses as much as digits as its factorization.

11110110009281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 11110110009281 in words is "eleven trillion, one hundred ten billion, one hundred ten million, nine thousand, two hundred eighty-one".