11055921 has 8 divisors (see below), whose sum is σ = 14847840. Its totient is φ = 7317312.

The previous prime is 11055887. The next prime is 11055953. The reversal of 11055921 is 12955011.

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

It is not a de Polignac number, because 11055921 - 2¹⁵ = 11023153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11055891 and 11055900.

It is not an unprimeable number, because it can be changed into a prime (11054921) 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, 12840 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (1855980).

Almost surely, 2^11055921 is an apocalyptic number.

It is an amenable number.

11055921 is a deficient number, since it is larger than the sum of its proper divisors (3791919).

11055921 is a wasteful number, since it uses less digits than its factorization.

11055921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26655.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 11055921 is about 3325.0445109803. The cubic root of 11055921 is about 222.7742424940.

The spelling of 11055921 in words is "eleven million, fifty-five thousand, nine hundred twenty-one".