3215243602255 has 4 divisors (see below), whose sum is σ = 3858292322712. Its totient is φ = 2572194881800.

The previous prime is 3215243602213. The next prime is 3215243602261. The reversal of 3215243602255 is 5522063425123.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3215243602255 - 2²³ = 3215235213647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321524360221 + ... + 321524360230.

It is an arithmetic number, because the mean of its divisors is an integer number (964573080678).

Almost surely, 2^{3215243602255} is an apocalyptic number.

3215243602255 is a deficient number, since it is larger than the sum of its proper divisors (643048720457).

3215243602255 is an equidigital number, since it uses as much as digits as its factorization.

3215243602255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643048720456.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 3215243602255 in words is "three trillion, two hundred fifteen billion, two hundred forty-three million, six hundred two thousand, two hundred fifty-five".