105525363305 has 4 divisors (see below), whose sum is σ = 126630435972. Its totient is φ = 84420290640.

The previous prime is 105525363289. The next prime is 105525363319. The reversal of 105525363305 is 503363525501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70811338816 + 34714024489 = 266104^2 + 186317^2 .

It is not a de Polignac number, because 105525363305 - 2⁴ = 105525363289 is a prime.

It is a super-2 number, since 2×105525363305² (a number of 23 digits) 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, 10552536326 + ... + 10552536335.

It is an arithmetic number, because the mean of its divisors is an integer number (31657608993).

Almost surely, 2^105525363305 is an apocalyptic number.

It is an amenable number.

105525363305 is a deficient number, since it is larger than the sum of its proper divisors (21105072667).

105525363305 is an equidigital number, since it uses as much as digits as its factorization.

105525363305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21105072666.

The product of its (nonzero) digits is 202500, while the sum is 38.

Adding to 105525363305 its reverse (503363525501), we get a palindrome (608888888806).

The spelling of 105525363305 in words is "one hundred five billion, five hundred twenty-five million, three hundred sixty-three thousand, three hundred five".