1042321118443 has 32 divisors (see below), whose sum is σ = 1187444662272. Its totient is φ = 906523228800.

The previous prime is 1042321118417. The next prime is 1042321118471. The reversal of 1042321118443 is 3448111232401.

It is a de Polignac number, because none of the positive numbers 2^k-1042321118443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042321118399 and 1042321118408.

It is not an unprimeable number, because it can be changed into a prime (1042321118543) 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 31 ways as a sum of consecutive naturals, for example, 10730230 + ... + 10826932.

It is an arithmetic number, because the mean of its divisors is an integer number (37107645696).

Almost surely, 2^{1042321118443} is an apocalyptic number.

1042321118443 is a deficient number, since it is larger than the sum of its proper divisors (145123543829).

1042321118443 is a wasteful number, since it uses less digits than its factorization.

1042321118443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97195.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 1042321118443 in words is "one trillion, forty-two billion, three hundred twenty-one million, one hundred eighteen thousand, four hundred forty-three".