125303340165 has 16 divisors (see below), whose sum is σ = 201031634688. Its totient is φ = 66646351296.

The previous prime is 125303340163. The next prime is 125303340203. The reversal of 125303340165 is 561043303521.

It is not a de Polignac number, because 125303340165 - 2¹ = 125303340163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125303340163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11375362 + ... + 11386371.

It is an arithmetic number, because the mean of its divisors is an integer number (12564477168).

Almost surely, 2^125303340165 is an apocalyptic number.

125303340165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125303340165 is a deficient number, since it is larger than the sum of its proper divisors (75728294523).

125303340165 is a wasteful number, since it uses less digits than its factorization.

125303340165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22762108.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 125303340165 its reverse (561043303521), we get a palindrome (686346643686).

The spelling of 125303340165 in words is "one hundred twenty-five billion, three hundred three million, three hundred forty thousand, one hundred sixty-five".