11315745 has 24 divisors (see below), whose sum is σ = 22416576. Its totient is φ = 5172768.

The previous prime is 11315741. The next prime is 11315779. The reversal of 11315745 is 54751311.

It is not a de Polignac number, because 11315745 - 2² = 11315741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11315741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17647 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (934024).

Almost surely, 2^11315745 is an apocalyptic number.

11315745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11315745 is a deficient number, since it is larger than the sum of its proper divisors (11100831).

11315745 is a wasteful number, since it uses less digits than its factorization.

11315745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35941 (or 35938 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 11315745 is about 3363.8883750802. Note that the first 3 decimals coincide. The cubic root of 11315745 is about 224.5058786198.

The spelling of 11315745 in words is "eleven million, three hundred fifteen thousand, seven hundred forty-five".