11255166033191 has 2 divisors, whose sum is σ = 11255166033192. Its totient is φ = 11255166033190.

The previous prime is 11255166033161. The next prime is 11255166033239. The reversal of 11255166033191 is 19133066155211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11255166033191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11255166033161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627583016595 + 5627583016596.

It is an arithmetic number, because the mean of its divisors is an integer number (5627583016596).

Almost surely, 2^{11255166033191} is an apocalyptic number.

11255166033191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11255166033191 is an equidigital number, since it uses as much as digits as its factorization.

11255166033191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 11255166033191 in words is "eleven trillion, two hundred fifty-five billion, one hundred sixty-six million, thirty-three thousand, one hundred ninety-one".