105241315505 has 4 divisors (see below), whose sum is σ = 126289578612. Its totient is φ = 84193052400.

The previous prime is 105241315463. The next prime is 105241315507. The reversal of 105241315505 is 505513142501.

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 22177464241 + 83063851264 = 148921^2 + 288208^2 .

It is not a de Polignac number, because 105241315505 - 2³⁴ = 88061446321 is a prime.

It is a super-2 number, since 2×105241315505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105241315507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10524131546 + ... + 10524131555.

It is an arithmetic number, because the mean of its divisors is an integer number (31572394653).

Almost surely, 2^105241315505 is an apocalyptic number.

It is an amenable number.

105241315505 is a deficient number, since it is larger than the sum of its proper divisors (21048263107).

105241315505 is an equidigital number, since it uses as much as digits as its factorization.

105241315505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21048263106.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 105241315505 in words is "one hundred five billion, two hundred forty-one million, three hundred fifteen thousand, five hundred five".