2118867380143 has 4 divisors (see below), whose sum is σ = 2230386715960. Its totient is φ = 2007348044328.

The previous prime is 2118867380131. The next prime is 2118867380153. The reversal of 2118867380143 is 3410837688112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2118867380143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118867380153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55759667880 + ... + 55759667917.

It is an arithmetic number, because the mean of its divisors is an integer number (557596678990).

Almost surely, 2^{2118867380143} is an apocalyptic number.

2118867380143 is a deficient number, since it is larger than the sum of its proper divisors (111519335817).

2118867380143 is a wasteful number, since it uses less digits than its factorization.

2118867380143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111519335816.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 2118867380143 in words is "two trillion, one hundred eighteen billion, eight hundred sixty-seven million, three hundred eighty thousand, one hundred forty-three".