103945329565 has 64 divisors (see below), whose sum is σ = 162553651200. Its totient is φ = 61873194240.

The previous prime is 103945329563. The next prime is 103945329577. The reversal of 103945329565 is 565923549301.

It is not a de Polignac number, because 103945329565 - 2¹ = 103945329563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103945329563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5294347 + ... + 5313943.

It is an arithmetic number, because the mean of its divisors is an integer number (2539900800).

Almost surely, 2^103945329565 is an apocalyptic number.

It is an amenable number.

103945329565 is a deficient number, since it is larger than the sum of its proper divisors (58608321635).

103945329565 is a wasteful number, since it uses less digits than its factorization.

103945329565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242.

The product of its (nonzero) digits is 4374000, while the sum is 52.

The spelling of 103945329565 in words is "one hundred three billion, nine hundred forty-five million, three hundred twenty-nine thousand, five hundred sixty-five".