1143343422111 has 48 divisors (see below), whose sum is σ = 1679471055360. Its totient is φ = 691354857600.

The previous prime is 1143343422059. The next prime is 1143343422113. The reversal of 1143343422111 is 1112243433411.

It is not a de Polignac number, because 1143343422111 - 2¹⁸ = 1143343159967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143343422113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 449602906 + ... + 449605448.

It is an arithmetic number, because the mean of its divisors is an integer number (34988980320).

Almost surely, 2^{1143343422111} is an apocalyptic number.

1143343422111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1143343422111 is a deficient number, since it is larger than the sum of its proper divisors (536127633249).

1143343422111 is a wasteful number, since it uses less digits than its factorization.

1143343422111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4897 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

Adding to 1143343422111 its reverse (1112243433411), we get a palindrome (2255586855522).

The spelling of 1143343422111 in words is "one trillion, one hundred forty-three billion, three hundred forty-three million, four hundred twenty-two thousand, one hundred eleven".