11091560199851 has 2 divisors, whose sum is σ = 11091560199852. Its totient is φ = 11091560199850.

The previous prime is 11091560199827. The next prime is 11091560199857. The reversal of 11091560199851 is 15899106519011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11091560199851 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11091560199857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545780099925 + 5545780099926.

It is an arithmetic number, because the mean of its divisors is an integer number (5545780099926).

Almost surely, 2^{11091560199851} is an apocalyptic number.

11091560199851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11091560199851 is an equidigital number, since it uses as much as digits as its factorization.

11091560199851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 56.

The spelling of 11091560199851 in words is "eleven trillion, ninety-one billion, five hundred sixty million, one hundred ninety-nine thousand, eight hundred fifty-one".