125736356667066 has 8 divisors (see below), whose sum is σ = 251472713334144. Its totient is φ = 41912118889020.

The previous prime is 125736356667049. The next prime is 125736356667083. The reversal of 125736356667066 is 660766653637521.

It is an interprime number because it is at equal distance from previous prime (125736356667049) and next prime (125736356667083).

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

125736356667066 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10478029722250 + ... + 10478029722261.

It is an arithmetic number, because the mean of its divisors is an integer number (31434089166768).

Almost surely, 2^{125736356667066} is an apocalyptic number.

125736356667066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125736356667066 is a wasteful number, since it uses less digits than its factorization.

125736356667066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20956059444516.

The product of its (nonzero) digits is 1028764800, while the sum is 69.

The spelling of 125736356667066 in words is "one hundred twenty-five trillion, seven hundred thirty-six billion, three hundred fifty-six million, six hundred sixty-seven thousand, sixty-six".