11103133 has 2 divisors, whose sum is σ = 11103134. Its totient is φ = 11103132.

The previous prime is 11103119. The next prime is 11103137. The reversal of 11103133 is 33130111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9597604 + 1505529 = 3098^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103133 - 2¹⁷ = 10972061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11103137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551566 + 5551567.

It is an arithmetic number, because the mean of its divisors is an integer number (5551567).

Almost surely, 2^11103133 is an apocalyptic number.

It is an amenable number.

11103133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103133 is an equidigital number, since it uses as much as digits as its factorization.

11103133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 11103133 is about 3332.1364017699. The cubic root of 11103133 is about 223.0908958015.

Adding to 11103133 its reverse (33130111), we get a palindrome (44233244).

It can be divided in two parts, 11103 and 133, that added together give a square (11236 = 106²).

The spelling of 11103133 in words is "eleven million, one hundred three thousand, one hundred thirty-three".