11478103 has 24 divisors (see below), whose sum is σ = 14798112. Its totient is φ = 8817984.

The previous prime is 11478101. The next prime is 11478143. The reversal of 11478103 is 30187411.

It is not a de Polignac number, because 11478103 - 2¹ = 11478101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478101) 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 23 ways as a sum of consecutive naturals, for example, 23326 + ... + 23812.

It is an arithmetic number, because the mean of its divisors is an integer number (616588).

Almost surely, 2^11478103 is an apocalyptic number.

11478103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11478103 is a deficient number, since it is larger than the sum of its proper divisors (3320009).

11478103 is a wasteful number, since it uses less digits than its factorization.

11478103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11478103 is about 3387.9349167302. The cubic root of 11478103 is about 225.5745185977.

The spelling of 11478103 in words is "eleven million, four hundred seventy-eight thousand, one hundred three".