5543210123456 has 14 divisors (see below), whose sum is σ = 10999807588860. Its totient is φ = 2771605061696.

The previous prime is 5543210123453. The next prime is 5543210123471. The reversal of 5543210123456 is 6543210123455.

It is a super-2 number, since 2×5543210123456² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5543210123453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43306329026 + ... + 43306329153.

Almost surely, 2^{5543210123456} is an apocalyptic number.

It is an amenable number.

5543210123456 is a deficient number, since it is larger than the sum of its proper divisors (5456597465404).

5543210123456 is an equidigital number, since it uses as much as digits as its factorization.

5543210123456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86612658191 (or 86612658181 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Subtracting 5543210123456 from its reverse (6543210123455), we obtain a palindrome (999999999999).

The spelling of 5543210123456 in words is "five trillion, five hundred forty-three billion, two hundred ten million, one hundred twenty-three thousand, four hundred fifty-six".