4255811208615 has 8 divisors (see below), whose sum is σ = 6809297933808. Its totient is φ = 2269765977920.

The previous prime is 4255811208601. The next prime is 4255811208667. The reversal of 4255811208615 is 5168021185524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4255811208615 - 2⁷ = 4255811208487 is a prime.

It is a super-2 number, since 2×4255811208615² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141860373606 + ... + 141860373635.

It is an arithmetic number, because the mean of its divisors is an integer number (851162241726).

Almost surely, 2^{4255811208615} is an apocalyptic number.

4255811208615 is a deficient number, since it is larger than the sum of its proper divisors (2553486725193).

4255811208615 is a wasteful number, since it uses less digits than its factorization.

4255811208615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283720747249.

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 4255811208615 in words is "four trillion, two hundred fifty-five billion, eight hundred eleven million, two hundred eight thousand, six hundred fifteen".