11052509 has 16 divisors (see below), whose sum is σ = 12969600. Its totient is φ = 9326016.

The previous prime is 11052497. The next prime is 11052553. The reversal of 11052509 is 90525011.

It is a cyclic number.

It is not a de Polignac number, because 11052509 - 2¹² = 11048413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11052599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6392 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (810600).

Almost surely, 2^11052509 is an apocalyptic number.

11052509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11052509 is a deficient number, since it is larger than the sum of its proper divisors (1917091).

11052509 is a wasteful number, since it uses less digits than its factorization.

11052509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 11052509 is about 3324.5313955504. The cubic root of 11052509 is about 222.7513231334.

The spelling of 11052509 in words is "eleven million, fifty-two thousand, five hundred nine".