315121141105 has 16 divisors (see below), whose sum is σ = 391879788480. Its totient is φ = 242971519168.

The previous prime is 315121141103. The next prime is 315121141109. The reversal of 315121141105 is 501141121513.

It is a cyclic number.

It is not a de Polignac number, because 315121141105 - 2¹ = 315121141103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315121141105.

It is not an unprimeable number, because it can be changed into a prime (315121141103) 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, 1848427 + ... + 2011696.

It is an arithmetic number, because the mean of its divisors is an integer number (24492486780).

Almost surely, 2^315121141105 is an apocalyptic number.

It is an amenable number.

315121141105 is a deficient number, since it is larger than the sum of its proper divisors (76758647375).

315121141105 is a wasteful number, since it uses less digits than its factorization.

315121141105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860720.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 315121141105 its reverse (501141121513), we get a palindrome (816262262618).

The spelling of 315121141105 in words is "three hundred fifteen billion, one hundred twenty-one million, one hundred forty-one thousand, one hundred five".