11111108888833 has 2 divisors, whose sum is σ = 11111108888834. Its totient is φ = 11111108888832.

The previous prime is 11111108888807. The next prime is 11111108888849. The reversal of 11111108888833 is 33888880111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9360864559809 + 1750244329024 = 3059553^2 + 1322968^2 .

It is an emirp because it is prime and its reverse (33888880111111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111108888833 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111108888533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555554444416 + 5555554444417.

It is an arithmetic number, because the mean of its divisors is an integer number (5555554444417).

Almost surely, 2^{11111108888833} is an apocalyptic number.

It is an amenable number.

11111108888833 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111108888833 is an equidigital number, since it uses as much as digits as its factorization.

11111108888833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 52.

Adding to 11111108888833 its reverse (33888880111111), we get a palindrome (44999988999944).

The spelling of 11111108888833 in words is "eleven trillion, one hundred eleven billion, one hundred eight million, eight hundred eighty-eight thousand, eight hundred thirty-three".