11215134 has 24 divisors (see below), whose sum is σ = 27771120. Its totient is φ = 3204288.

The previous prime is 11215129. The next prime is 11215177. The reversal of 11215134 is 43151211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44379 + ... + 44630.

It is an arithmetic number, because the mean of its divisors is an integer number (1157130).

Almost surely, 2^11215134 is an apocalyptic number.

11215134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11215134 is an abundant number, since it is smaller than the sum of its proper divisors (16555986).

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

11215134 is a wasteful number, since it uses less digits than its factorization.

11215134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89024 (or 89021 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11215134 is about 3348.9004165547. The cubic root of 11215134 is about 223.8385182883.

Adding to 11215134 its reverse (43151211), we get a palindrome (54366345).

The spelling of 11215134 in words is "eleven million, two hundred fifteen thousand, one hundred thirty-four".