11091456 has 120 divisors (see below), whose sum is σ = 33513480. Its totient is φ = 3526656.

The previous prime is 11091449. The next prime is 11091461. The reversal of 11091456 is 65419011.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133591 + ... + 133673.

It is an arithmetic number, because the mean of its divisors is an integer number (279279).

Almost surely, 2^11091456 is an apocalyptic number.

11091456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11091456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16756740).

11091456 is an abundant number, since it is smaller than the sum of its proper divisors (22422024).

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

11091456 is an equidigital number, since it uses as much as digits as its factorization.

11091456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11091456 is about 3330.3837616707. The cubic root of 11091456 is about 223.0126612423.

The spelling of 11091456 in words is "eleven million, ninety-one thousand, four hundred fifty-six".