2685047355520 has 32 divisors (see below), whose sum is σ = 6418941335820. Its totient is φ = 1074018941952.

The previous prime is 2685047355509. The next prime is 2685047355611. The reversal of 2685047355520 is 255537405862.

It can be written as a sum of positive squares in 2 ways, for example, as 2667629690944 + 17417664576 = 1633288^2 + 131976^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 2097692607 + ... + 2097693886.

Almost surely, 2^{2685047355520} is an apocalyptic number.

2685047355520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685047355520 is an abundant number, since it is smaller than the sum of its proper divisors (3733893980300).

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

2685047355520 is an equidigital number, since it uses as much as digits as its factorization.

2685047355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195386512 (or 4195386500 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 2685047355520 in words is "two trillion, six hundred eighty-five billion, forty-seven million, three hundred fifty-five thousand, five hundred twenty".