3520004330125 has 8 divisors (see below), whose sum is σ = 4392965404152. Its totient is φ = 2816003464000.

The previous prime is 3520004330083. The next prime is 3520004330137. The reversal of 3520004330125 is 5210334000253.

It can be written as a sum of positive squares in 4 ways, for example, as 5736699081 + 3514267631044 = 75741^2 + 1874638^2 .

It is not a de Polignac number, because 3520004330125 - 2¹⁵ = 3520004297357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520004330093 and 3520004330102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14080017196 + ... + 14080017445.

It is an arithmetic number, because the mean of its divisors is an integer number (549120675519).

Almost surely, 2^{3520004330125} is an apocalyptic number.

It is an amenable number.

3520004330125 is a deficient number, since it is larger than the sum of its proper divisors (872961074027).

3520004330125 is an equidigital number, since it uses as much as digits as its factorization.

3520004330125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28160034656 (or 28160034646 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 3520004330125 its reverse (5210334000253), we get a palindrome (8730338330378).

The spelling of 3520004330125 in words is "three trillion, five hundred twenty billion, four million, three hundred thirty thousand, one hundred twenty-five".