11443643111 has 8 divisors (see below), whose sum is σ = 11478979200. Its totient is φ = 11408334840.

The previous prime is 11443643089. The next prime is 11443643137. The reversal of 11443643111 is 11134634411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11443643111 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 (11443643311) 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, 1063046 + ... + 1073756.

It is an arithmetic number, because the mean of its divisors is an integer number (1434872400).

Almost surely, 2^11443643111 is an apocalyptic number.

11443643111 is a deficient number, since it is larger than the sum of its proper divisors (35336089).

11443643111 is a wasteful number, since it uses less digits than its factorization.

11443643111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13909.

The product of its digits is 3456, while the sum is 29.

The spelling of 11443643111 in words is "eleven billion, four hundred forty-three million, six hundred forty-three thousand, one hundred eleven".