3515671021225 has 48 divisors (see below), whose sum is σ = 4822113240000. Its totient is φ = 2521416326400.

The previous prime is 3515671021217. The next prime is 3515671021241. The reversal of 3515671021225 is 5221201765153.

It is not a de Polignac number, because 3515671021225 - 2³ = 3515671021217 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 5386891 + ... + 6004159.

It is an arithmetic number, because the mean of its divisors is an integer number (100460692500).

Almost surely, 2^{3515671021225} is an apocalyptic number.

It is an amenable number.

3515671021225 is a deficient number, since it is larger than the sum of its proper divisors (1306442218775).

3515671021225 is a wasteful number, since it uses less digits than its factorization.

3515671021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617578 (or 617573 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

Adding to 3515671021225 its reverse (5221201765153), we get a palindrome (8736872786378).

The spelling of 3515671021225 in words is "three trillion, five hundred fifteen billion, six hundred seventy-one million, twenty-one thousand, two hundred twenty-five".