11451056 has 60 divisors (see below), whose sum is σ = 24624912. Its totient is φ = 5144832.

The previous prime is 11451017. The next prime is 11451071. The reversal of 11451056 is 65015411.

It is a super-2 number, since 2×11451056² = 262253367030272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309470 + ... + 309506.

Almost surely, 2^11451056 is an apocalyptic number.

11451056 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 11451056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12312456).

11451056 is an abundant number, since it is smaller than the sum of its proper divisors (13173856).

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

11451056 is a wasteful number, since it uses less digits than its factorization.

11451056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 11451056 is about 3383.9408978290. The cubic root of 11451056 is about 225.3971979926.

Adding to 11451056 its reverse (65015411), we get a palindrome (76466467).

The spelling of 11451056 in words is "eleven million, four hundred fifty-one thousand, fifty-six".