3815255516395 has 64 divisors (see below), whose sum is σ = 4868760379392. Its totient is φ = 2866469760000.

The previous prime is 3815255516389. The next prime is 3815255516399. The reversal of 3815255516395 is 5936155525183.

It is not a de Polignac number, because 3815255516395 - 2²³ = 3815247127787 is a prime.

It is a super-2 number, since 2×3815255516395² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3815255516399) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452522830 + ... + 452531260.

It is an arithmetic number, because the mean of its divisors is an integer number (76074380928).

Almost surely, 2^{3815255516395} is an apocalyptic number.

3815255516395 is a deficient number, since it is larger than the sum of its proper divisors (1053504862997).

3815255516395 is a wasteful number, since it uses less digits than its factorization.

3815255516395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292.

The product of its digits is 24300000, while the sum is 58.

The spelling of 3815255516395 in words is "three trillion, eight hundred fifteen billion, two hundred fifty-five million, five hundred sixteen thousand, three hundred ninety-five".