11363861 has 2 divisors, whose sum is σ = 11363862. Its totient is φ = 11363860.

The previous prime is 11363839. The next prime is 11363867. The reversal of 11363861 is 16836311.

11363861 is digitally balanced in base 2, 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., 11015761 + 348100 = 3319^2 + 590^2 .

It is an emirp because it is prime and its reverse (16836311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11363861 - 2¹⁰ = 11362837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11363867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5681930 + 5681931.

It is an arithmetic number, because the mean of its divisors is an integer number (5681931).

Almost surely, 2^11363861 is an apocalyptic number.

It is an amenable number.

11363861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11363861 is an equidigital number, since it uses as much as digits as its factorization.

11363861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 11363861 is about 3371.0326311088. The cubic root of 11363861 is about 224.8236379297.

The spelling of 11363861 in words is "eleven million, three hundred sixty-three thousand, eight hundred sixty-one".