11353861 has 2 divisors, whose sum is σ = 11353862. Its totient is φ = 11353860.

The previous prime is 11353847. The next prime is 11353871. The reversal of 11353861 is 16835311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11189025 + 164836 = 3345^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 11353861 - 2⁷ = 11353733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11353831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5676930 + 5676931.

It is an arithmetic number, because the mean of its divisors is an integer number (5676931).

Almost surely, 2^11353861 is an apocalyptic number.

It is an amenable number.

11353861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11353861 is an equidigital number, since it uses as much as digits as its factorization.

11353861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 11353861 is about 3369.5490796248. The cubic root of 11353861 is about 224.7576716127.

The spelling of 11353861 in words is "eleven million, three hundred fifty-three thousand, eight hundred sixty-one".