11195218260791 has 2 divisors, whose sum is σ = 11195218260792. Its totient is φ = 11195218260790.

The previous prime is 11195218260781. The next prime is 11195218260887. The reversal of 11195218260791 is 19706281259111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11195218260791 - 2³⁴ = 11178038391607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11195218260781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597609130395 + 5597609130396.

It is an arithmetic number, because the mean of its divisors is an integer number (5597609130396).

Almost surely, 2^{11195218260791} is an apocalyptic number.

11195218260791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195218260791 is an equidigital number, since it uses as much as digits as its factorization.

11195218260791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 53.

The spelling of 11195218260791 in words is "eleven trillion, one hundred ninety-five billion, two hundred eighteen million, two hundred sixty thousand, seven hundred ninety-one".