11103078 has 16 divisors (see below), whose sum is σ = 25378560. Its totient is φ = 3172296.

The previous prime is 11103077. The next prime is 11103109. The reversal of 11103078 is 87030111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103077) 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 7 ways as a sum of consecutive naturals, for example, 132138 + ... + 132221.

It is an arithmetic number, because the mean of its divisors is an integer number (1586160).

Almost surely, 2^11103078 is an apocalyptic number.

11103078 is an abundant number, since it is smaller than the sum of its proper divisors (14275482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103078 is a wasteful number, since it uses less digits than its factorization.

11103078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264371.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 11103078 is about 3332.1281487962. The cubic root of 11103078 is about 223.0905274364.

Adding to 11103078 its reverse (87030111), we get a palindrome (98133189).

The spelling of 11103078 in words is "eleven million, one hundred three thousand, seventy-eight".