105065515 has 4 divisors (see below), whose sum is σ = 126078624. Its totient is φ = 84052408.

The previous prime is 105065503. The next prime is 105065549. The reversal of 105065515 is 515560501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105065515 - 2⁵ = 105065483 is a prime.

It is a super-2 number, since 2×105065515² = 22077524884430450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10506547 + ... + 10506556.

It is an arithmetic number, because the mean of its divisors is an integer number (31519656).

Almost surely, 2^105065515 is an apocalyptic number.

105065515 is a deficient number, since it is larger than the sum of its proper divisors (21013109).

105065515 is an equidigital number, since it uses as much as digits as its factorization.

105065515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013108.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 105065515 is about 10250.1470721156. The cubic root of 105065515 is about 471.8674981776.

The spelling of 105065515 in words is "one hundred five million, sixty-five thousand, five hundred fifteen".