2118754814740 has 12 divisors (see below), whose sum is σ = 4449385110996. Its totient is φ = 847501925888.

The previous prime is 2118754814651. The next prime is 2118754814747. The reversal of 2118754814740 is 474184578112.

It can be written as a sum of positive squares in 2 ways, for example, as 494853157764 + 1623901656976 = 703458^2 + 1274324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118754814747) 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, 52968870349 + ... + 52968870388.

It is an arithmetic number, because the mean of its divisors is an integer number (370782092583).

Almost surely, 2^{2118754814740} is an apocalyptic number.

2118754814740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2118754814740 is an abundant number, since it is smaller than the sum of its proper divisors (2330630296256).

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

2118754814740 is a wasteful number, since it uses less digits than its factorization.

2118754814740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105937740746 (or 105937740744 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 2118754814740 in words is "two trillion, one hundred eighteen billion, seven hundred fifty-four million, eight hundred fourteen thousand, seven hundred forty".