315121115516126 has 16 divisors (see below), whose sum is σ = 472839749306496. Its totient is φ = 157507867610496.

The previous prime is 315121115516099. The next prime is 315121115516173. The reversal of 315121115516126 is 621615511121513.

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, 361216730 + ... + 362088066.

It is an arithmetic number, because the mean of its divisors is an integer number (29552484331656).

Almost surely, 2^{315121115516126} is an apocalyptic number.

315121115516126 is a deficient number, since it is larger than the sum of its proper divisors (157718633790370).

315121115516126 is a wasteful number, since it uses less digits than its factorization.

315121115516126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931603.

The product of its digits is 54000, while the sum is 41.

Adding to 315121115516126 its reverse (621615511121513), we get a palindrome (936736626637639).

The spelling of 315121115516126 in words is "three hundred fifteen trillion, one hundred twenty-one billion, one hundred fifteen million, five hundred sixteen thousand, one hundred twenty-six".