11509049 has 2 divisors, whose sum is σ = 11509050. Its totient is φ = 11509048.

The previous prime is 11509037. The next prime is 11509063. The reversal of 11509049 is 94090511.

11509049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 5555449 = 2440^2 + 2357^2 .

It is an emirp because it is prime and its reverse (94090511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11509049 - 2⁸ = 11508793 is a prime.

It is a super-3 number, since 3×11509049³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11509009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5754524 + 5754525.

It is an arithmetic number, because the mean of its divisors is an integer number (5754525).

Almost surely, 2^11509049 is an apocalyptic number.

It is an amenable number.

11509049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11509049 is an equidigital number, since it uses as much as digits as its factorization.

11509049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 11509049 is about 3392.4989314663. The cubic root of 11509049 is about 225.7770597599. Note that the first 3 decimals are identical.

The spelling of 11509049 in words is "eleven million, five hundred nine thousand, forty-nine".