11315749 has 4 divisors (see below), whose sum is σ = 11327680. Its totient is φ = 11303820.

The previous prime is 11315741. The next prime is 11315779. The reversal of 11315749 is 94751311.

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: 94751311 = 239 ⋅396449.

It is a cyclic number.

It is not a de Polignac number, because 11315749 - 2³ = 11315741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11315749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315741) 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, 4407 + ... + 6484.

It is an arithmetic number, because the mean of its divisors is an integer number (2831920).

Almost surely, 2^11315749 is an apocalyptic number.

It is an amenable number.

11315749 is a deficient number, since it is larger than the sum of its proper divisors (11931).

11315749 is a wasteful number, since it uses less digits than its factorization.

11315749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930.

The product of its digits is 3780, while the sum is 31.

The square root of 11315749 is about 3363.8889696302. Note that the first 3 decimals coincide. The cubic root of 11315749 is about 224.5059050733.

The spelling of 11315749 in words is "eleven million, three hundred fifteen thousand, seven hundred forty-nine".