11361865 has 8 divisors (see below), whose sum is σ = 14436360. Its totient is φ = 8554752.

The previous prime is 11361853. The next prime is 11361869. The reversal of 11361865 is 56816311.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 11269449 = 304^2 + 3357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11361865 - 2⁹ = 11361353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11361869) 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 in 7 ways as a sum of consecutive naturals, for example, 66750 + ... + 66919.

It is an arithmetic number, because the mean of its divisors is an integer number (1804545).

Almost surely, 2^11361865 is an apocalyptic number.

It is an amenable number.

11361865 is a deficient number, since it is larger than the sum of its proper divisors (3074495).

11361865 is a wasteful number, since it uses less digits than its factorization.

11361865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133691.

The product of its digits is 4320, while the sum is 31.

The square root of 11361865 is about 3370.7365663902. The cubic root of 11361865 is about 224.8104741450.

The spelling of 11361865 in words is "eleven million, three hundred sixty-one thousand, eight hundred sixty-five".