11011010111197 has 2 divisors, whose sum is σ = 11011010111198. Its totient is φ = 11011010111196.

The previous prime is 11011010111161. The next prime is 11011010111201. The reversal of 11011010111197 is 79111101011011.

It is a happy number.

11011010111197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8085230650116 + 2925779461081 = 2843454^2 + 1710491^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011010111197 - 2¹⁹ = 11011009586909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011011111197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505055598 + 5505505055599.

It is an arithmetic number, because the mean of its divisors is an integer number (5505505055599).

Almost surely, 2^{11011010111197} is an apocalyptic number.

It is an amenable number.

11011010111197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011010111197 is an equidigital number, since it uses as much as digits as its factorization.

11011010111197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 25.

The spelling of 11011010111197 in words is "eleven trillion, eleven billion, ten million, one hundred eleven thousand, one hundred ninety-seven".