11345142243 has 8 divisors (see below), whose sum is σ = 15132370000. Its totient is φ = 7560671328.

The previous prime is 11345142223. The next prime is 11345142247. The reversal of 11345142243 is 34224154311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11345142243 - 2⁸ = 11345141987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11345142243.

It is not an unprimeable number, because it can be changed into a prime (11345142247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679588 + ... + 696081.

It is an arithmetic number, because the mean of its divisors is an integer number (1891546250).

Almost surely, 2^11345142243 is an apocalyptic number.

11345142243 is a deficient number, since it is larger than the sum of its proper divisors (3787227757).

11345142243 is a wasteful number, since it uses less digits than its factorization.

11345142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378421.

The product of its digits is 11520, while the sum is 30.

Adding to 11345142243 its reverse (34224154311), we get a palindrome (45569296554).

The spelling of 11345142243 in words is "eleven billion, three hundred forty-five million, one hundred forty-two thousand, two hundred forty-three".