11407661 has 2 divisors, whose sum is σ = 11407662. Its totient is φ = 11407660.

The previous prime is 11407631. The next prime is 11407673. The reversal of 11407661 is 16670411.

11407661 is digitally balanced in base 3, 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., 8497225 + 2910436 = 2915^2 + 1706^2 .

It is an emirp because it is prime and its reverse (16670411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11407661 - 2¹⁴ = 11391277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11407661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11407601) 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, 5703830 + 5703831.

It is an arithmetic number, because the mean of its divisors is an integer number (5703831).

Almost surely, 2^11407661 is an apocalyptic number.

It is an amenable number.

11407661 is a deficient number, since it is larger than the sum of its proper divisors (1).

11407661 is an equidigital number, since it uses as much as digits as its factorization.

11407661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11407661 is about 3377.5229088786. The cubic root of 11407661 is about 225.1121153182.

The spelling of 11407661 in words is "eleven million, four hundred seven thousand, six hundred sixty-one".