11053861 has 32 divisors (see below), whose sum is σ = 14470400. Its totient is φ = 8382528.

The previous prime is 11053841. The next prime is 11053891. The reversal of 11053861 is 16835011.

11053861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11053861 - 2²³ = 2665253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11053831) 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 in 31 ways as a sum of consecutive naturals, for example, 164950 + ... + 165016.

It is an arithmetic number, because the mean of its divisors is an integer number (452200).

Almost surely, 2^11053861 is an apocalyptic number.

It is an amenable number.

11053861 is a deficient number, since it is larger than the sum of its proper divisors (3416539).

11053861 is an equidigital number, since it uses as much as digits as its factorization.

11053861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 11053861 is about 3324.7347262601. The cubic root of 11053861 is about 222.7604054606.

Adding to 11053861 its reverse (16835011), we get a palindrome (27888872).

The spelling of 11053861 in words is "eleven million, fifty-three thousand, eight hundred sixty-one".