68281254501 has 8 divisors (see below), whose sum is σ = 91085388000. Its totient is φ = 45498978672.

The previous prime is 68281254473. The next prime is 68281254539. The reversal of 68281254501 is 10545218286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68281254501 - 2⁷ = 68281254373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68281254101) 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 7 ways as a sum of consecutive naturals, for example, 5457126 + ... + 5469623.

It is an arithmetic number, because the mean of its divisors is an integer number (11385673500).

Almost surely, 2^68281254501 is an apocalyptic number.

It is an amenable number.

68281254501 is a deficient number, since it is larger than the sum of its proper divisors (22804133499).

68281254501 is a wasteful number, since it uses less digits than its factorization.

68281254501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928835.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 68281254501 in words is "sixty-eight billion, two hundred eighty-one million, two hundred fifty-four thousand, five hundred one".