125020664664366 has 8 divisors (see below), whose sum is σ = 250041329328744. Its totient is φ = 41673554888120.

The previous prime is 125020664664361. The next prime is 125020664664391. The reversal of 125020664664366 is 663466466020521.

It is a happy number.

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

125020664664366 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125020664664361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10418388722025 + ... + 10418388722036.

It is an arithmetic number, because the mean of its divisors is an integer number (31255166166093).

Almost surely, 2^{125020664664366} is an apocalyptic number.

125020664664366 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.

125020664664366 is a wasteful number, since it uses less digits than its factorization.

125020664664366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836777444066.

The product of its (nonzero) digits is 44789760, while the sum is 57.

The spelling of 125020664664366 in words is "one hundred twenty-five trillion, twenty billion, six hundred sixty-four million, six hundred sixty-four thousand, three hundred sixty-six".