11138103 has 6 divisors (see below), whose sum is σ = 16088384. Its totient is φ = 7425396.

The previous prime is 11138093. The next prime is 11138129. The reversal of 11138103 is 30183111.

It is a happy number.

It is not a de Polignac number, because 11138103 - 2⁴ = 11138087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618775 + ... + 618792.

Almost surely, 2^11138103 is an apocalyptic number.

11138103 is a deficient number, since it is larger than the sum of its proper divisors (4950281).

11138103 is a wasteful number, since it uses less digits than its factorization.

11138103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237573 (or 1237570 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11138103 is about 3337.3796607518. The cubic root of 11138103 is about 223.3248631722.

It can be divided in two parts, 1113 and 8103, that added together give a square (9216 = 96²).

The spelling of 11138103 in words is "eleven million, one hundred thirty-eight thousand, one hundred three".