1543321120413 has 8 divisors (see below), whose sum is σ = 2057774862528. Its totient is φ = 1028874062624.

The previous prime is 1543321120361. The next prime is 1543321120441. The reversal of 1543321120413 is 3140211233451.

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 1543321120413 - 2⁸ = 1543321120157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543321120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104945 + ... + 2075462.

It is an arithmetic number, because the mean of its divisors is an integer number (257221857816).

Almost surely, 2^{1543321120413} is an apocalyptic number.

It is an amenable number.

1543321120413 is a deficient number, since it is larger than the sum of its proper divisors (514453742115).

1543321120413 is a wasteful number, since it uses less digits than its factorization.

1543321120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342163.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1543321120413 its reverse (3140211233451), we get a palindrome (4683532353864).

The spelling of 1543321120413 in words is "one trillion, five hundred forty-three billion, three hundred twenty-one million, one hundred twenty thousand, four hundred thirteen".