3215555142016 has 32 divisors (see below), whose sum is σ = 7321130012880. Its totient is φ = 1378095060480.

The previous prime is 3215555141989. The next prime is 3215555142127. The reversal of 3215555142016 is 6102415555123.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3215555142016.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1794393715 + ... + 1794395506.

Almost surely, 2^{3215555142016} is an apocalyptic number.

It is an amenable number.

3215555142016 is an abundant number, since it is smaller than the sum of its proper divisors (4105574870864).

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

3215555142016 is an equidigital number, since it uses as much as digits as its factorization.

3215555142016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588789242 (or 3588789230 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 3215555142016 in words is "three trillion, two hundred fifteen billion, five hundred fifty-five million, one hundred forty-two thousand, sixteen".