11053509 has 8 divisors (see below), whose sum is σ = 14755872. Its totient is φ = 7360080.

The previous prime is 11053487. The next prime is 11053517. The reversal of 11053509 is 90535011.

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

It is not a de Polignac number, because 11053509 - 2⁸ = 11053253 is a prime.

It is a super-2 number, since 2×11053509² = 244360122426162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11053529) 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, 1594 + ... + 4964.

It is an arithmetic number, because the mean of its divisors is an integer number (1844484).

Almost surely, 2^11053509 is an apocalyptic number.

It is an amenable number.

11053509 is a deficient number, since it is larger than the sum of its proper divisors (3702363).

11053509 is a wasteful number, since it uses less digits than its factorization.

11053509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 11053509 is about 3324.6817892845. The cubic root of 11053509 is about 222.7580409023.

The spelling of 11053509 in words is "eleven million, fifty-three thousand, five hundred nine".