11315385 has 24 divisors (see below), whose sum is σ = 20094984. Its totient is φ = 5886720.

The previous prime is 11315351. The next prime is 11315389. The reversal of 11315385 is 58351311.

11315385 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1279161 + 10036224 = 1131^2 + 3168^2 .

It is not a de Polignac number, because 11315385 - 2¹⁸ = 11053241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11315389) 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, 1222 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (837291).

Almost surely, 2^11315385 is an apocalyptic number.

11315385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11315385 is a deficient number, since it is larger than the sum of its proper divisors (8779599).

11315385 is a wasteful number, since it uses less digits than its factorization.

11315385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185 (or 6182 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 11315385 is about 3363.8348651502. The cubic root of 11315385 is about 224.5034977787.

Adding to 11315385 its reverse (58351311), we get a palindrome (69666696).

The spelling of 11315385 in words is "eleven million, three hundred fifteen thousand, three hundred eighty-five".