11098521 has 24 divisors (see below), whose sum is σ = 18495360. Its totient is φ = 6281856.

The previous prime is 11098519. The next prime is 11098531. The reversal of 11098521 is 12589011.

11098521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11098521 - 2¹ = 11098519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11098531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6340 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (770640).

Almost surely, 2^11098521 is an apocalyptic number.

It is an amenable number.

11098521 is a deficient number, since it is larger than the sum of its proper divisors (7396839).

11098521 is a wasteful number, since it uses less digits than its factorization.

11098521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 11098521 is about 3331.4442813891. Note that the first 3 decimals coincide. The cubic root of 11098521 is about 223.0600024880.

The spelling of 11098521 in words is "eleven million, ninety-eight thousand, five hundred twenty-one".