2105314515 has 12 divisors (see below), whose sum is σ = 3649211904. Its totient is φ = 1122834384.

The previous prime is 2105314489. The next prime is 2105314517. The reversal of 2105314515 is 5154135012.

It is not a de Polignac number, because 2105314515 - 2¹⁰ = 2105313491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2105314517) 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 11 ways as a sum of consecutive naturals, for example, 23392339 + ... + 23392428.

It is an arithmetic number, because the mean of its divisors is an integer number (304100992).

Almost surely, 2^2105314515 is an apocalyptic number.

2105314515 is a deficient number, since it is larger than the sum of its proper divisors (1543897389).

2105314515 is a wasteful number, since it uses less digits than its factorization.

2105314515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46784778 (or 46784775 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2105314515 is about 45883.7064217790. The cubic root of 2105314515 is about 1281.6585180296.

Adding to 2105314515 its reverse (5154135012), we get a palindrome (7259449527).

The spelling of 2105314515 in words is "two billion, one hundred five million, three hundred fourteen thousand, five hundred fifteen".