11055631 has 8 divisors (see below), whose sum is σ = 11268720. Its totient is φ = 10844352.

The previous prime is 11055599. The next prime is 11055647. The reversal of 11055631 is 13655011.

11055631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11055631 - 2⁵ = 11055599 is a prime.

It is a super-2 number, since 2×11055631² = 244453953616322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055431) 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 7 ways as a sum of consecutive naturals, for example, 19356 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (1408590).

Almost surely, 2^11055631 is an apocalyptic number.

11055631 is a deficient number, since it is larger than the sum of its proper divisors (213089).

11055631 is an equidigital number, since it uses as much as digits as its factorization.

11055631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 11055631 is about 3325.0009022555. Note that the first 3 decimals coincide. The cubic root of 11055631 is about 222.7722946661.

The spelling of 11055631 in words is "eleven million, fifty-five thousand, six hundred thirty-one".