11305129 has 4 divisors (see below), whose sum is σ = 12332880. Its totient is φ = 10277380.

The previous prime is 11305127. The next prime is 11305139. The reversal of 11305129 is 92150311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11305129 - 2¹ = 11305127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513859 + ... + 513880.

It is an arithmetic number, because the mean of its divisors is an integer number (3083220).

Almost surely, 2^11305129 is an apocalyptic number.

It is an amenable number.

11305129 is a deficient number, since it is larger than the sum of its proper divisors (1027751).

11305129 is a wasteful number, since it uses less digits than its factorization.

11305129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027750.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11305129 is about 3362.3100689853. The cubic root of 11305129 is about 224.4356490379.

The spelling of 11305129 in words is "eleven million, three hundred five thousand, one hundred twenty-nine".