6881312562500 has 42 divisors (see below), whose sum is σ = 15052678690434. Its totient is φ = 2752525000000.

The previous prime is 6881312562361. The next prime is 6881312562547. The reversal of 6881312562500 is 52652131886.

It can be written as a sum of positive squares in 7 ways, for example, as 6672002652484 + 209309910016 = 2583022^2 + 457504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 54988001 + ... + 55113000.

It is an arithmetic number, because the mean of its divisors is an integer number (358397111677).

Almost surely, 2^{6881312562500} is an apocalyptic number.

It is an amenable number.

6881312562500 is an abundant number, since it is smaller than the sum of its proper divisors (8171366127934).

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

6881312562500 is an equidigital number, since it uses as much as digits as its factorization.

6881312562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110101035 (or 110101008 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 6881312562500 in words is "six trillion, eight hundred eighty-one billion, three hundred twelve million, five hundred sixty-two thousand, five hundred".