68003825535 has 64 divisors (see below), whose sum is σ = 123545088000. Its totient is φ = 35474858496.

The previous prime is 68003825501. The next prime is 68003825537. The reversal of 68003825535 is 53552830086.

68003825535 is a `hidden beast` number, since 6 + 80 + 0 + 38 + 2 + 5 + 535 = 666.

It is not a de Polignac number, because 68003825535 - 2¹² = 68003821439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68003825537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16793191 + ... + 16797239.

It is an arithmetic number, because the mean of its divisors is an integer number (1930392000).

Almost surely, 2^68003825535 is an apocalyptic number.

68003825535 is a deficient number, since it is larger than the sum of its proper divisors (55541262465).

68003825535 is a wasteful number, since it uses less digits than its factorization.

68003825535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 68003825535 in words is "sixty-eight billion, three million, eight hundred twenty-five thousand, five hundred thirty-five".