11155134 has 16 divisors (see below), whose sum is σ = 22509072. Its totient is φ = 3685248.

The previous prime is 11155127. The next prime is 11155139. The reversal of 11155134 is 43155111.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11155134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7549 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (1406817).

Almost surely, 2^11155134 is an apocalyptic number.

11155134 is an abundant number, since it is smaller than the sum of its proper divisors (11353938).

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

11155134 is a wasteful number, since it uses less digits than its factorization.

11155134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571.

The product of its digits is 300, while the sum is 21.

The square root of 11155134 is about 3339.9302387924. The cubic root of 11155134 is about 223.4386320610.

The spelling of 11155134 in words is "eleven million, one hundred fifty-five thousand, one hundred thirty-four".