11351309 has 4 divisors (see below), whose sum is σ = 11457504. Its totient is φ = 11245116.

The previous prime is 11351297. The next prime is 11351311. The reversal of 11351309 is 90315311.

11351309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90315311 = 101 ⋅894211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11351309 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 (11351339) 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, 52937 + ... + 53150.

It is an arithmetic number, because the mean of its divisors is an integer number (2864376).

Almost surely, 2^11351309 is an apocalyptic number.

It is an amenable number.

11351309 is a deficient number, since it is larger than the sum of its proper divisors (106195).

11351309 is a wasteful number, since it uses less digits than its factorization.

11351309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106194.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 11351309 is about 3369.1703726585. The cubic root of 11351309 is about 224.7408308053.

The spelling of 11351309 in words is "eleven million, three hundred fifty-one thousand, three hundred nine".