2118867380142 has 64 divisors (see below), whose sum is σ = 4390208294400. Its totient is φ = 681333494400.

The previous prime is 2118867380131. The next prime is 2118867380153. The reversal of 2118867380142 is 2410837688112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2118867380131) and next prime (2118867380153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52334967 + ... + 52375437.

It is an arithmetic number, because the mean of its divisors is an integer number (68597004600).

Almost surely, 2^{2118867380142} is an apocalyptic number.

2118867380142 is an abundant number, since it is smaller than the sum of its proper divisors (2271340914258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118867380142 is a wasteful number, since it uses less digits than its factorization.

2118867380142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43289.

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 2118867380142 in words is "two trillion, one hundred eighteen billion, eight hundred sixty-seven million, three hundred eighty thousand, one hundred forty-two".