2118753228735 has 64 divisors (see below), whose sum is σ = 4425181608960. Its totient is φ = 948253184640.

The previous prime is 2118753228719. The next prime is 2118753228797. The reversal of 2118753228735 is 5378223578112.

2118753228735 is a `hidden beast` number, since 2 + 1 + 1 + 87 + 532 + 28 + 7 + 3 + 5 = 666.

It is not a de Polignac number, because 2118753228735 - 2⁴ = 2118753228719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54856459 + ... + 54895068.

It is an arithmetic number, because the mean of its divisors is an integer number (69143462640).

Almost surely, 2^{2118753228735} is an apocalyptic number.

2118753228735 is an abundant number, since it is smaller than the sum of its proper divisors (2306428380225).

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

2118753228735 is a wasteful number, since it uses less digits than its factorization.

2118753228735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109751565 (or 109751559 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 2118753228735 in words is "two trillion, one hundred eighteen billion, seven hundred fifty-three million, two hundred twenty-eight thousand, seven hundred thirty-five".