11315849 has 4 divisors (see below), whose sum is σ = 11911440. Its totient is φ = 10720260.

The previous prime is 11315813. The next prime is 11315867. The reversal of 11315849 is 94851311.

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: 94851311 = 47 ⋅2018113.

It is a cyclic number.

It is not a de Polignac number, because 11315849 - 2¹² = 11311753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11315809) 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, 297767 + ... + 297804.

It is an arithmetic number, because the mean of its divisors is an integer number (2977860).

Almost surely, 2^11315849 is an apocalyptic number.

11315849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11315849 is a deficient number, since it is larger than the sum of its proper divisors (595591).

11315849 is an equidigital number, since it uses as much as digits as its factorization.

11315849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595590.

The product of its digits is 4320, while the sum is 32.

The square root of 11315849 is about 3363.9038333460. The cubic root of 11315849 is about 224.5065664090.

The spelling of 11315849 in words is "eleven million, three hundred fifteen thousand, eight hundred forty-nine".