11088921 has 8 divisors (see below), whose sum is σ = 15428160. Its totient is φ = 7071152.

The previous prime is 11088911. The next prime is 11088923. The reversal of 11088921 is 12988011.

11088921 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 a de Polignac number, because none of the positive numbers 2^k-11088921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11088923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80286 + ... + 80423.

It is an arithmetic number, because the mean of its divisors is an integer number (1928520).

Almost surely, 2^11088921 is an apocalyptic number.

It is an amenable number.

11088921 is a deficient number, since it is larger than the sum of its proper divisors (4339239).

11088921 is a wasteful number, since it uses less digits than its factorization.

11088921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160735.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 11088921 is about 3330.0031531517. The cubic root of 11088921 is about 222.9956697799.

The spelling of 11088921 in words is "eleven million, eighty-eight thousand, nine hundred twenty-one".