11220188619061 has 2 divisors, whose sum is σ = 11220188619062. Its totient is φ = 11220188619060.

The previous prime is 11220188619023. The next prime is 11220188619281. The reversal of 11220188619061 is 16091688102211.

11220188619061 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., 11220188619025 + 36 = 3349655^2 + 6^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220188619061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220188619001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610094309530 + 5610094309531.

It is an arithmetic number, because the mean of its divisors is an integer number (5610094309531).

Almost surely, 2^{11220188619061} is an apocalyptic number.

It is an amenable number.

11220188619061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220188619061 is an equidigital number, since it uses as much as digits as its factorization.

11220188619061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 46.

The spelling of 11220188619061 in words is "eleven trillion, two hundred twenty billion, one hundred eighty-eight million, six hundred nineteen thousand, sixty-one".