67715565000000 has 448 divisors, whose sum is σ = 233692895494656. Its totient is φ = 17272288000000.

The previous prime is 67715564999963. The next prime is 67715565000001. The reversal of 67715565000000 is 56551776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67715565000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 344901862 + ... + 345098138.

Almost surely, 2^{67715565000000} is an apocalyptic number.

67715565000000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67715565000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116846447747328).

67715565000000 is an abundant number, since it is smaller than the sum of its proper divisors (165977330494656).

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

67715565000000 is an frugal number, since it uses more digits than its factorization.

67715565000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196350 (or 196310 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The spelling of 67715565000000 in words is "sixty-seven trillion, seven hundred fifteen billion, five hundred sixty-five million", and thus it is an aban number.