11431214443 has 64 divisors (see below), whose sum is σ = 13989888000. Its totient is φ = 9219225600.

The previous prime is 11431214371. The next prime is 11431214453. The reversal of 11431214443 is 34441213411.

It is a cyclic number.

It is not a de Polignac number, because 11431214443 - 2⁹ = 11431213931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431214453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49917853 + ... + 49918081.

It is an arithmetic number, because the mean of its divisors is an integer number (218592000).

Almost surely, 2^11431214443 is an apocalyptic number.

11431214443 is a deficient number, since it is larger than the sum of its proper divisors (2558673557).

11431214443 is a wasteful number, since it uses less digits than its factorization.

11431214443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 4608, while the sum is 28.

Adding to 11431214443 its reverse (34441213411), we get a palindrome (45872427854).

The spelling of 11431214443 in words is "eleven billion, four hundred thirty-one million, two hundred fourteen thousand, four hundred forty-three".