3215245067520 has 144 divisors (see below), whose sum is σ = 10269638229312. Its totient is φ = 857319424000.

The previous prime is 3215245067509. The next prime is 3215245067527. The reversal of 3215245067520 is 257605425123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215245067527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49891639 + ... + 49956041.

It is an arithmetic number, because the mean of its divisors is an integer number (71316932148).

Almost surely, 2^{3215245067520} is an apocalyptic number.

3215245067520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3215245067520 is an abundant number, since it is smaller than the sum of its proper divisors (7054393161792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215245067520 is a wasteful number, since it uses less digits than its factorization.

3215245067520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77428 (or 77414 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 3215245067520 in words is "three trillion, two hundred fifteen billion, two hundred forty-five million, sixty-seven thousand, five hundred twenty".