1143203384449 has 16 divisors (see below), whose sum is σ = 1328067138816. Its totient is φ = 963792446400.

The previous prime is 1143203384441. The next prime is 1143203384459. The reversal of 1143203384449 is 9444833023411.

It is not a de Polignac number, because 1143203384449 - 2³ = 1143203384441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143203384399 and 1143203384408.

It is not an unprimeable number, because it can be changed into a prime (1143203384441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2522602 + ... + 2941075.

It is an arithmetic number, because the mean of its divisors is an integer number (83004196176).

Almost surely, 2^{1143203384449} is an apocalyptic number.

It is an amenable number.

1143203384449 is a deficient number, since it is larger than the sum of its proper divisors (184863754367).

1143203384449 is an equidigital number, since it uses as much as digits as its factorization.

1143203384449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464176.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 1143203384449 in words is "one trillion, one hundred forty-three billion, two hundred three million, three hundred eighty-four thousand, four hundred forty-nine".