68041482521 has 24 divisors (see below), whose sum is σ = 76347645120. Its totient is φ = 60493983264.

The previous prime is 68041482503. The next prime is 68041482527. The reversal of 68041482521 is 12528414086.

It is a de Polignac number, because none of the positive numbers 2^k-68041482521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68041482527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362750 + ... + 517368.

It is an arithmetic number, because the mean of its divisors is an integer number (3181151880).

Almost surely, 2^68041482521 is an apocalyptic number.

It is an amenable number.

68041482521 is a deficient number, since it is larger than the sum of its proper divisors (8306162599).

68041482521 is a wasteful number, since it uses less digits than its factorization.

68041482521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154733 (or 154714 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 68041482521 in words is "sixty-eight billion, forty-one million, four hundred eighty-two thousand, five hundred twenty-one".