2143841758556 has 24 divisors (see below), whose sum is σ = 3786226738560. Its totient is φ = 1062093355632.

The previous prime is 2143841758523. The next prime is 2143841758603. The reversal of 2143841758556 is 6558571483412.

It is a junction number, because it is equal to n+sod(n) for n = 2143841758495 and 2143841758504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3553166 + ... + 4112501.

It is an arithmetic number, because the mean of its divisors is an integer number (157759447440).

Almost surely, 2^{2143841758556} is an apocalyptic number.

It is an amenable number.

2143841758556 is a deficient number, since it is larger than the sum of its proper divisors (1642384980004).

2143841758556 is a wasteful number, since it uses less digits than its factorization.

2143841758556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666313 (or 7666311 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 59.

The spelling of 2143841758556 in words is "two trillion, one hundred forty-three billion, eight hundred forty-one million, seven hundred fifty-eight thousand, five hundred fifty-six".