105265995 has 16 divisors (see below), whose sum is σ = 170456832. Its totient is φ = 55464800.

The previous prime is 105265991. The next prime is 105266017. The reversal of 105265995 is 599562501.

It is not a de Polignac number, because 105265995 - 2² = 105265991 is a prime.

It is a super-2 number, since 2×105265995² = 22161859406680050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (105265991) 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, 41031 + ... + 43520.

It is an arithmetic number, because the mean of its divisors is an integer number (10653552).

Almost surely, 2^105265995 is an apocalyptic number.

105265995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105265995 is a deficient number, since it is larger than the sum of its proper divisors (65190837).

105265995 is an equidigital number, since it uses as much as digits as its factorization.

105265995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84642.

The product of its (nonzero) digits is 121500, while the sum is 42.

The square root of 105265995 is about 10259.9217833276. The cubic root of 105265995 is about 472.1674376634.

The spelling of 105265995 in words is "one hundred five million, two hundred sixty-five thousand, nine hundred ninety-five".