2118841229376 has 441 divisors, whose sum is σ = 6612550573069. Its totient is φ = 673266857472.

The previous prime is 2118841229357. The next prime is 2118841229423. The reversal of 2118841229376 is 6739221488112.

The square root of 2118841229376 is 1455624.

It is a perfect power (a square), and thus also a powerful number.

2118841229376 is a `hidden beast` number, since 2 + 1 + 1 + 8 + 8 + 41 + 229 + 376 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2004716174400 + 114125054976 = 1415880^2 + 337824^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 7231539886 + ... + 7231540178.

Almost surely, 2^{2118841229376} is an apocalyptic number.

2118841229376 is the 1455624-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118841229376

2118841229376 is an abundant number, since it is smaller than the sum of its proper divisors (4493709343693).

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

2118841229376 is an frugal number, since it uses more digits than its factorization.

2118841229376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 321 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 2118841229376 in words is "two trillion, one hundred eighteen billion, eight hundred forty-one million, two hundred twenty-nine thousand, three hundred seventy-six".