11543325433 has 4 divisors (see below), whose sum is σ = 11543745780. Its totient is φ = 11542905088.

The previous prime is 11543325427. The next prime is 11543325461. The reversal of 11543325433 is 33452334511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 537636969 + 11005688464 = 23187^2 + 104908^2 .

It is a cyclic number.

It is not a de Polignac number, because 11543325433 - 2⁵ = 11543325401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543325133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165868 + ... + 224941.

It is an arithmetic number, because the mean of its divisors is an integer number (2885936445).

Almost surely, 2^11543325433 is an apocalyptic number.

It is an amenable number.

11543325433 is a deficient number, since it is larger than the sum of its proper divisors (420347).

11543325433 is an equidigital number, since it uses as much as digits as its factorization.

11543325433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420346.

The product of its digits is 64800, while the sum is 34.

Adding to 11543325433 its reverse (33452334511), we get a palindrome (44995659944).

The spelling of 11543325433 in words is "eleven billion, five hundred forty-three million, three hundred twenty-five thousand, four hundred thirty-three".