3520352415225 has 12 divisors (see below), whose sum is σ = 5820315993296. Its totient is φ = 1877521288080.

The previous prime is 3520352415163. The next prime is 3520352415233. The reversal of 3520352415225 is 5225142530253.

It is not a de Polignac number, because 3520352415225 - 2³⁹ = 2970596601337 is a prime.

It is a super-2 number, since 2×3520352415225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23469016027 + ... + 23469016176.

Almost surely, 2^{3520352415225} is an apocalyptic number.

It is an amenable number.

3520352415225 is a deficient number, since it is larger than the sum of its proper divisors (2299963578071).

3520352415225 is a wasteful number, since it uses less digits than its factorization.

3520352415225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46938032216 (or 46938032211 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 3520352415225 its reverse (5225142530253), we get a palindrome (8745494945478).

The spelling of 3520352415225 in words is "three trillion, five hundred twenty billion, three hundred fifty-two million, four hundred fifteen thousand, two hundred twenty-five".