3115867185663 has 16 divisors (see below), whose sum is σ = 4399021309536. Its totient is φ = 1954987258880.

The previous prime is 3115867185601. The next prime is 3115867185667. The reversal of 3115867185663 is 3665817685113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3115867185663 - 2¹⁶ = 3115867120127 is a prime.

It is a super-2 number, since 2×3115867185663² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3115867185597 and 3115867185606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115867185667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490693 + ... + 2544113.

It is an arithmetic number, because the mean of its divisors is an integer number (274938831846).

Almost surely, 2^{3115867185663} is an apocalyptic number.

3115867185663 is a deficient number, since it is larger than the sum of its proper divisors (1283154123873).

3115867185663 is a wasteful number, since it uses less digits than its factorization.

3115867185663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083194.

The product of its digits is 21772800, while the sum is 60.

The spelling of 3115867185663 in words is "three trillion, one hundred fifteen billion, eight hundred sixty-seven million, one hundred eighty-five thousand, six hundred sixty-three".