3865052228215 has 16 divisors (see below), whose sum is σ = 4887294300000. Its totient is φ = 2926228902912.

The previous prime is 3865052228207. The next prime is 3865052228231. The reversal of 3865052228215 is 5128222505683.

It is a cyclic number.

It is not a de Polignac number, because 3865052228215 - 2³ = 3865052228207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21255090 + ... + 21436159.

It is an arithmetic number, because the mean of its divisors is an integer number (305455893750).

Almost surely, 2^{3865052228215} is an apocalyptic number.

3865052228215 is a deficient number, since it is larger than the sum of its proper divisors (1022242071785).

3865052228215 is a wasteful number, since it uses less digits than its factorization.

3865052228215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42692226.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 3865052228215 in words is "three trillion, eight hundred sixty-five billion, fifty-two million, two hundred twenty-eight thousand, two hundred fifteen".