1041320405543 has 16 divisors (see below), whose sum is σ = 1191333312000. Its totient is φ = 900945730080.

The previous prime is 1041320405519. The next prime is 1041320405563. The reversal of 1041320405543 is 3455040231401.

1041320405543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1041320405543 - 2¹² = 1041320401447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041320405563) 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, 10291088 + ... + 10391781.

It is an arithmetic number, because the mean of its divisors is an integer number (74458332000).

Almost surely, 2^{1041320405543} is an apocalyptic number.

1041320405543 is a deficient number, since it is larger than the sum of its proper divisors (150012906457).

1041320405543 is a wasteful number, since it uses less digits than its factorization.

1041320405543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20683102.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1041320405543 its reverse (3455040231401), we get a palindrome (4496360636944).

The spelling of 1041320405543 in words is "one trillion, forty-one billion, three hundred twenty million, four hundred five thousand, five hundred forty-three".