1235422111143 has 8 divisors (see below), whose sum is σ = 1796977616256. Its totient is φ = 748740673400.

The previous prime is 1235422111127. The next prime is 1235422111169. The reversal of 1235422111143 is 3411112245321.

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

It is a cyclic number.

It is not a de Polignac number, because 1235422111143 - 2⁴ = 1235422111127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1235422111143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235422111043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18718516803 + ... + 18718516868.

It is an arithmetic number, because the mean of its divisors is an integer number (224622202032).

Almost surely, 2^{1235422111143} is an apocalyptic number.

1235422111143 is a deficient number, since it is larger than the sum of its proper divisors (561555505113).

1235422111143 is a wasteful number, since it uses less digits than its factorization.

1235422111143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37437033685.

The product of its digits is 5760, while the sum is 30.

Adding to 1235422111143 its reverse (3411112245321), we get a palindrome (4646534356464).

The spelling of 1235422111143 in words is "one trillion, two hundred thirty-five billion, four hundred twenty-two million, one hundred eleven thousand, one hundred forty-three".