11318279 has 4 divisors (see below), whose sum is σ = 12935184. Its totient is φ = 9701376.

The previous prime is 11318273. The next prime is 11318299. The reversal of 11318279 is 97281311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11318279 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 (11318273) 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 3 ways as a sum of consecutive naturals, for example, 808442 + ... + 808455.

It is an arithmetic number, because the mean of its divisors is an integer number (3233796).

Almost surely, 2^11318279 is an apocalyptic number.

11318279 is a deficient number, since it is larger than the sum of its proper divisors (1616905).

11318279 is an equidigital number, since it uses as much as digits as its factorization.

11318279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616904.

The product of its digits is 3024, while the sum is 32.

The square root of 11318279 is about 3364.2650014528. The cubic root of 11318279 is about 224.5226356675.

The spelling of 11318279 in words is "eleven million, three hundred eighteen thousand, two hundred seventy-nine".