125659701366 has 32 divisors (see below), whose sum is σ = 251886163968. Its totient is φ = 41792162880.

The previous prime is 125659701353. The next prime is 125659701469. The reversal of 125659701366 is 663107956521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13946835 + ... + 13955841.

It is an arithmetic number, because the mean of its divisors is an integer number (7871442624).

Almost surely, 2^125659701366 is an apocalyptic number.

125659701366 is an abundant number, since it is smaller than the sum of its proper divisors (126226462602).

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

125659701366 is a wasteful number, since it uses less digits than its factorization.

125659701366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 125659701366 in words is "one hundred twenty-five billion, six hundred fifty-nine million, seven hundred one thousand, three hundred sixty-six".