11261365 has 4 divisors (see below), whose sum is σ = 13513644. Its totient is φ = 9009088.

The previous prime is 11261359. The next prime is 11261407. The reversal of 11261365 is 56316211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56316211 = 7 ⋅8045173.

It can be written as a sum of positive squares in 2 ways, for example, as 2582449 + 8678916 = 1607^2 + 2946^2 .

It is a cyclic number.

It is not a de Polignac number, because 11261365 - 2⁵ = 11261333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126132 + ... + 1126141.

It is an arithmetic number, because the mean of its divisors is an integer number (3378411).

Almost surely, 2^11261365 is an apocalyptic number.

It is an amenable number.

11261365 is a deficient number, since it is larger than the sum of its proper divisors (2252279).

11261365 is an equidigital number, since it uses as much as digits as its factorization.

11261365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252278.

The product of its digits is 1080, while the sum is 25.

The square root of 11261365 is about 3355.7957327585. The cubic root of 11261365 is about 224.1456655115.

Adding to 11261365 its reverse (56316211), we get a palindrome (67577576).

The spelling of 11261365 in words is "eleven million, two hundred sixty-one thousand, three hundred sixty-five".