11212032543 has 4 divisors (see below), whose sum is σ = 14949376728. Its totient is φ = 7474688360.

The previous prime is 11212032541. The next prime is 11212032599. The reversal of 11212032543 is 34523021211.

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

It is a cyclic number.

It is not a de Polignac number, because 11212032543 - 2¹ = 11212032541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212032541) 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, 1868672088 + ... + 1868672093.

It is an arithmetic number, because the mean of its divisors is an integer number (3737344182).

Almost surely, 2^11212032543 is an apocalyptic number.

11212032543 is a deficient number, since it is larger than the sum of its proper divisors (3737344185).

11212032543 is an equidigital number, since it uses as much as digits as its factorization.

11212032543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737344184.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11212032543 its reverse (34523021211), we get a palindrome (45735053754).

The spelling of 11212032543 in words is "eleven billion, two hundred twelve million, thirty-two thousand, five hundred forty-three".