3115545115218 has 16 divisors (see below), whose sum is σ = 6231107735040. Its totient is φ = 1038512120976.

The previous prime is 3115545115217. The next prime is 3115545115259. The reversal of 3115545115218 is 8125115455113.

It is a self number, because there is not a number n which added to its sum of digits gives 3115545115218.

It is not an unprimeable number, because it can be changed into a prime (3115545115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278796 + ... + 4120872.

It is an arithmetic number, because the mean of its divisors is an integer number (389444233440).

Almost surely, 2^{3115545115218} is an apocalyptic number.

3115545115218 is an abundant number, since it is smaller than the sum of its proper divisors (3115562619822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115545115218 is a wasteful number, since it uses less digits than its factorization.

3115545115218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458721.

The product of its digits is 120000, while the sum is 42.

The spelling of 3115545115218 in words is "three trillion, one hundred fifteen billion, five hundred forty-five million, one hundred fifteen thousand, two hundred eighteen".