68683571225 has 12 divisors (see below), whose sum is σ = 85171027500. Its totient is φ = 54944664000.

The previous prime is 68683571107. The next prime is 68683571227. The reversal of 68683571225 is 52217538686.

It can be written as a sum of positive squares in 6 ways, for example, as 1633129744 + 67050441481 = 40412^2 + 258941^2 .

It is not a de Polignac number, because 68683571225 - 2¹⁰ = 68683570201 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68683571227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933275 + ... + 1004175.

It is an arithmetic number, because the mean of its divisors is an integer number (7097585625).

Almost surely, 2^68683571225 is an apocalyptic number.

It is an amenable number.

68683571225 is a deficient number, since it is larger than the sum of its proper divisors (16487456275).

68683571225 is a wasteful number, since it uses less digits than its factorization.

68683571225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109660 (or 109655 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 68683571225 in words is "sixty-eight billion, six hundred eighty-three million, five hundred seventy-one thousand, two hundred twenty-five".