2118530580280 has 32 divisors (see below), whose sum is σ = 4767762254400. Its totient is φ = 847222285696.

The previous prime is 2118530580259. The next prime is 2118530580311. The reversal of 2118530580280 is 820850358112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5755075 + ... + 6112114.

It is an arithmetic number, because the mean of its divisors is an integer number (148992570450).

Almost surely, 2^{2118530580280} is an apocalyptic number.

2118530580280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2118530580280 is an abundant number, since it is smaller than the sum of its proper divisors (2649231674120).

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

2118530580280 is a wasteful number, since it uses less digits than its factorization.

2118530580280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871663 (or 11871659 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 2118530580280 in words is "two trillion, one hundred eighteen billion, five hundred thirty million, five hundred eighty thousand, two hundred eighty".