11055135 has 72 divisors (see below), whose sum is σ = 22530960. Its totient is φ = 4612608.

The previous prime is 11055113. The next prime is 11055137. The reversal of 11055135 is 53155011.

It is not a de Polignac number, because 11055135 - 2⁶ = 11055071 is a prime.

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 (11055137) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 124171 + ... + 124259.

It is an arithmetic number, because the mean of its divisors is an integer number (312930).

Almost surely, 2^11055135 is an apocalyptic number.

11055135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11055135 is an abundant number, since it is smaller than the sum of its proper divisors (11475825).

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

11055135 is a wasteful number, since it uses less digits than its factorization.

11055135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 11055135 is about 3324.9263149730. The cubic root of 11055135 is about 222.7689631297.

The spelling of 11055135 in words is "eleven million, fifty-five thousand, one hundred thirty-five".