2112643455554 has 8 divisors (see below), whose sum is σ = 3169597852620. Its totient is φ = 1056110838016.

The previous prime is 2112643455511. The next prime is 2112643455563. The reversal of 2112643455554 is 4555543462112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2041820939929 + 70822515625 = 1428923^2 + 266125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2112643455499 and 2112643455508.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105432359 + ... + 105452394.

Almost surely, 2^{2112643455554} is an apocalyptic number.

2112643455554 is a deficient number, since it is larger than the sum of its proper divisors (1056954397066).

2112643455554 is a wasteful number, since it uses less digits than its factorization.

2112643455554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210889764.

The product of its digits is 2880000, while the sum is 47.

The spelling of 2112643455554 in words is "two trillion, one hundred twelve billion, six hundred forty-three million, four hundred fifty-five thousand, five hundred fifty-four".