11001309 has 16 divisors (see below), whose sum is σ = 16061760. Its totient is φ = 6642560.

The previous prime is 11001301. The next prime is 11001313. The reversal of 11001309 is 90310011.

It is a cyclic number.

It is not a de Polignac number, because 11001309 - 2³ = 11001301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12409 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (1003860).

Almost surely, 2^11001309 is an apocalyptic number.

It is an amenable number.

11001309 is a deficient number, since it is larger than the sum of its proper divisors (5060451).

11001309 is a wasteful number, since it uses less digits than its factorization.

11001309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 11001309 is about 3316.8221236599. The cubic root of 11001309 is about 222.4068304947.

The spelling of 11001309 in words is "eleven million, one thousand, three hundred nine".