125659701365 has 32 divisors (see below), whose sum is σ = 173066664960. Its totient is φ = 86750092800.

The previous prime is 125659701353. The next prime is 125659701469. The reversal of 125659701365 is 563107956521.

It is not a de Polignac number, because 125659701365 - 2¹² = 125659697269 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 669605 + ... + 836474.

It is an arithmetic number, because the mean of its divisors is an integer number (5408333280).

Almost surely, 2^125659701365 is an apocalyptic number.

It is an amenable number.

125659701365 is a deficient number, since it is larger than the sum of its proper divisors (47406963595).

125659701365 is a wasteful number, since it uses less digits than its factorization.

125659701365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506173.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 125659701365 in words is "one hundred twenty-five billion, six hundred fifty-nine million, seven hundred one thousand, three hundred sixty-five".