105413605705 has 4 divisors (see below), whose sum is σ = 126496326852. Its totient is φ = 84330884560.

The previous prime is 105413605679. The next prime is 105413605711. The reversal of 105413605705 is 507506314501.

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 41742167481 + 63671438224 = 204309^2 + 252332^2 .

It is not a de Polignac number, because 105413605705 - 2²⁷ = 105279387977 is a prime.

It is a super-2 number, since 2×105413605705² (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, 10541360566 + ... + 10541360575.

It is an arithmetic number, because the mean of its divisors is an integer number (31624081713).

Almost surely, 2^105413605705 is an apocalyptic number.

It is an amenable number.

105413605705 is a deficient number, since it is larger than the sum of its proper divisors (21082721147).

105413605705 is an equidigital number, since it uses as much as digits as its factorization.

105413605705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21082721146.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 105413605705 in words is "one hundred five billion, four hundred thirteen million, six hundred five thousand, seven hundred five".