11543275 has 12 divisors (see below), whose sum is σ = 14398384. Its totient is φ = 9180000.

The previous prime is 11543269. The next prime is 11543293. The reversal of 11543275 is 57234511.

It is a happy number.

It is not a de Polignac number, because 11543275 - 2⁹ = 11542763 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3250 + ... + 5800.

Almost surely, 2^11543275 is an apocalyptic number.

11543275 is a deficient number, since it is larger than the sum of its proper divisors (2855109).

11543275 is a wasteful number, since it uses less digits than its factorization.

11543275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2737 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 11543275 is about 3397.5395509103. The cubic root of 11543275 is about 226.0006460942. Note that the first 3 decimals are identical.

Adding to 11543275 its reverse (57234511), we get a palindrome (68777786).

The spelling of 11543275 in words is "eleven million, five hundred forty-three thousand, two hundred seventy-five".