6888281155072 has 40 divisors (see below), whose sum is σ = 13763632269816. Its totient is φ = 3444009541632.

The previous prime is 6888281155003. The next prime is 6888281155139. The reversal of 6888281155072 is 2705511828886.

It is a super-2 number, since 2×6888281155072² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6888281155072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13987983 + ... + 14472049.

Almost surely, 2^{6888281155072} is an apocalyptic number.

It is an amenable number.

6888281155072 is a deficient number, since it is larger than the sum of its proper divisors (6875351114744).

6888281155072 is an equidigital number, since it uses as much as digits as its factorization.

6888281155072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511878 (or 511862 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 61.

The spelling of 6888281155072 in words is "six trillion, eight hundred eighty-eight billion, two hundred eighty-one million, one hundred fifty-five thousand, seventy-two".