11316261 has 16 divisors (see below), whose sum is σ = 16649280. Its totient is φ = 6779520.

The previous prime is 11316257. The next prime is 11316269. The reversal of 11316261 is 16261311.

It is not a de Polignac number, because 11316261 - 2² = 11316257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11316269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (1040580).

Almost surely, 2^11316261 is an apocalyptic number.

11316261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11316261 is a deficient number, since it is larger than the sum of its proper divisors (5333019).

11316261 is a wasteful number, since it uses less digits than its factorization.

11316261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956.

The product of its digits is 216, while the sum is 21.

The square root of 11316261 is about 3363.9650711623. The cubic root of 11316261 is about 224.5092910707.

Adding to 11316261 its reverse (16261311), we get a palindrome (27577572).

The spelling of 11316261 in words is "eleven million, three hundred sixteen thousand, two hundred sixty-one".