2143181018887 has 8 divisors (see below), whose sum is σ = 2212403948672. Its totient is φ = 2073963592800.

The previous prime is 2143181018879. The next prime is 2143181018893. The reversal of 2143181018887 is 7888101813412.

It is a happy number.

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 2143181018887 - 2³ = 2143181018879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143181018807) 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, 577164 + ... + 2149297.

It is an arithmetic number, because the mean of its divisors is an integer number (276550493584).

Almost surely, 2^{2143181018887} is an apocalyptic number.

2143181018887 is a deficient number, since it is larger than the sum of its proper divisors (69222929785).

2143181018887 is a wasteful number, since it uses less digits than its factorization.

2143181018887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751849.

The product of its (nonzero) digits is 688128, while the sum is 52.

The spelling of 2143181018887 in words is "two trillion, one hundred forty-three billion, one hundred eighty-one million, eighteen thousand, eight hundred eighty-seven".