11385603 has 40 divisors (see below), whose sum is σ = 18208080. Its totient is φ = 7076160.

The previous prime is 11385557. The next prime is 11385613. The reversal of 11385603 is 30658311.

It is not a de Polignac number, because 11385603 - 2¹² = 11381507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11385613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 86848 + ... + 86978.

It is an arithmetic number, because the mean of its divisors is an integer number (455202).

Almost surely, 2^11385603 is an apocalyptic number.

11385603 is a deficient number, since it is larger than the sum of its proper divisors (6822477).

11385603 is a wasteful number, since it uses less digits than its factorization.

11385603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 11385603 is about 3374.2559179766. The cubic root of 11385603 is about 224.9669284726.

The spelling of 11385603 in words is "eleven million, three hundred eighty-five thousand, six hundred three".