11093561 has 2 divisors, whose sum is σ = 11093562. Its totient is φ = 11093560.

The previous prime is 11093557. The next prime is 11093569. The reversal of 11093561 is 16539011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10523536 + 570025 = 3244^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11093561 - 2² = 11093557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11093561.

It is not a weakly prime, because it can be changed into another prime (11093569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5546780 + 5546781.

It is an arithmetic number, because the mean of its divisors is an integer number (5546781).

Almost surely, 2^11093561 is an apocalyptic number.

It is an amenable number.

11093561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11093561 is an equidigital number, since it uses as much as digits as its factorization.

11093561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11093561 is about 3330.6997763233. The cubic root of 11093561 is about 223.0267685563.

The spelling of 11093561 in words is "eleven million, ninety-three thousand, five hundred sixty-one".