68581107425375 has 8 divisors (see below), whose sum is σ = 85589222067024. Its totient is φ = 54864885940200.

The previous prime is 68581107425371. The next prime is 68581107425407. The reversal of 68581107425375 is 57352470118586.

It is a happy number.

It is not a de Polignac number, because 68581107425375 - 2² = 68581107425371 is a prime.

It is a super-2 number, since 2×68581107425375² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68581107425371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274324429577 + ... + 274324429826.

It is an arithmetic number, because the mean of its divisors is an integer number (10698652758378).

Almost surely, 2^{68581107425375} is an apocalyptic number.

68581107425375 is a deficient number, since it is larger than the sum of its proper divisors (17008114641649).

68581107425375 is an equidigital number, since it uses as much as digits as its factorization.

68581107425375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548648859418 (or 548648859408 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 68581107425375 in words is "sixty-eight trillion, five hundred eighty-one billion, one hundred seven million, four hundred twenty-five thousand, three hundred seventy-five".