11214432143 has 4 divisors (see below), whose sum is σ = 11874104640. Its totient is φ = 10554759648.

The previous prime is 11214432107. The next prime is 11214432181. The reversal of 11214432143 is 34123441211.

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 11214432143 - 2⁶ = 11214432079 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 (11214432743) 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, 329836223 + ... + 329836256.

It is an arithmetic number, because the mean of its divisors is an integer number (2968526160).

Almost surely, 2^11214432143 is an apocalyptic number.

11214432143 is a deficient number, since it is larger than the sum of its proper divisors (659672497).

11214432143 is an equidigital number, since it uses as much as digits as its factorization.

11214432143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659672496.

The product of its digits is 2304, while the sum is 26.

Adding to 11214432143 its reverse (34123441211), we get a palindrome (45337873354).

The spelling of 11214432143 in words is "eleven billion, two hundred fourteen million, four hundred thirty-two thousand, one hundred forty-three".