11253543 has 16 divisors (see below), whose sum is σ = 17473536. Its totient is φ = 6308640.

The previous prime is 11253503. The next prime is 11253553. The reversal of 11253543 is 34535211.

It is not a de Polignac number, because 11253543 - 2¹⁰ = 11252519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11253503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3943 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (1092096).

Almost surely, 2^11253543 is an apocalyptic number.

11253543 is a deficient number, since it is larger than the sum of its proper divisors (6219993).

11253543 is a wasteful number, since it uses less digits than its factorization.

11253543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174.

The product of its digits is 1800, while the sum is 24.

The square root of 11253543 is about 3354.6300839288. The cubic root of 11253543 is about 224.0937572545.

Adding to 11253543 its reverse (34535211), we get a palindrome (45788754).

The spelling of 11253543 in words is "eleven million, two hundred fifty-three thousand, five hundred forty-three".