515130315105 has 32 divisors (see below), whose sum is σ = 942114253824. Its totient is φ = 235447724736.

The previous prime is 515130315103. The next prime is 515130315143. The reversal of 515130315105 is 501513031515.

It is not a de Polignac number, because 515130315105 - 2¹ = 515130315103 is a prime.

It is a super-2 number, since 2×515130315105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (515130315103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197934 + ... + 1034136.

It is an arithmetic number, because the mean of its divisors is an integer number (29441070432).

Almost surely, 2^515130315105 is an apocalyptic number.

It is an amenable number.

515130315105 is a deficient number, since it is larger than the sum of its proper divisors (426983938719).

515130315105 is a wasteful number, since it uses less digits than its factorization.

515130315105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842085.

The product of its (nonzero) digits is 5625, while the sum is 30.

It can be divided in two parts, 51513031510 and 5, that added together give a palindrome (51513031515).

The spelling of 515130315105 in words is "five hundred fifteen billion, one hundred thirty million, three hundred fifteen thousand, one hundred five".