2118527681792 has 36 divisors (see below), whose sum is σ = 4228953575700. Its totient is φ = 1059220328448.

The previous prime is 2118527681771. The next prime is 2118527681813. The reversal of 2118527681792 is 2971867258112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2118527681771) and next prime (2118527681813).

It can be written as a sum of positive squares in 2 ways, for example, as 698655252736 + 1419872429056 = 835856^2 + 1191584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599834 + ... + 6913382.

Almost surely, 2^{2118527681792} is an apocalyptic number.

It is an amenable number.

2118527681792 is a deficient number, since it is larger than the sum of its proper divisors (2110425893908).

2118527681792 is an equidigital number, since it uses as much as digits as its factorization.

2118527681792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339958 (or 339944 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 59.

The spelling of 2118527681792 in words is "two trillion, one hundred eighteen billion, five hundred twenty-seven million, six hundred eighty-one thousand, seven hundred ninety-two".