3216125021525 has 96 divisors (see below), whose sum is σ = 4727689908480. Its totient is φ = 2147447808000.

The previous prime is 3216125021513. The next prime is 3216125021561. The reversal of 3216125021525 is 5251205216123.

It is a happy number.

It is not a de Polignac number, because 3216125021525 - 2¹⁴ = 3216125005141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65448965 + ... + 65498085.

It is an arithmetic number, because the mean of its divisors is an integer number (49246769880).

Almost surely, 2^{3216125021525} is an apocalyptic number.

It is an amenable number.

3216125021525 is a deficient number, since it is larger than the sum of its proper divisors (1511564886955).

3216125021525 is a wasteful number, since it uses less digits than its factorization.

3216125021525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49647 (or 49642 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 3216125021525 in words is "three trillion, two hundred sixteen billion, one hundred twenty-five million, twenty-one thousand, five hundred twenty-five".