11255543 has 8 divisors (see below), whose sum is σ = 12759600. Its totient is φ = 9842688.

The previous prime is 11255527. The next prime is 11255549. The reversal of 11255543 is 34555211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11255543 - 2⁴ = 11255527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255549) 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, 22538 + ... + 23031.

It is an arithmetic number, because the mean of its divisors is an integer number (1594950).

Almost surely, 2^11255543 is an apocalyptic number.

11255543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11255543 is a deficient number, since it is larger than the sum of its proper divisors (1504057).

11255543 is a wasteful number, since it uses less digits than its factorization.

11255543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45601.

The product of its digits is 3000, while the sum is 26.

The square root of 11255543 is about 3354.9281661460. The cubic root of 11255543 is about 224.1070319174.

It can be divided in two parts, 112 and 55543, that added together give a palindrome (55655).

The spelling of 11255543 in words is "eleven million, two hundred fifty-five thousand, five hundred forty-three".