105452310505 has 4 divisors (see below), whose sum is σ = 126542772612. Its totient is φ = 84361848400.

The previous prime is 105452310503. The next prime is 105452310511. The reversal of 105452310505 is 505013254501.

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 30465607936 + 74986702569 = 174544^2 + 273837^2 .

It is not a de Polignac number, because 105452310505 - 2¹ = 105452310503 is a prime.

It is a super-2 number, since 2×105452310505² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105452310503) 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, 10545231046 + ... + 10545231055.

It is an arithmetic number, because the mean of its divisors is an integer number (31635693153).

Almost surely, 2^105452310505 is an apocalyptic number.

It is an amenable number.

105452310505 is a deficient number, since it is larger than the sum of its proper divisors (21090462107).

105452310505 is an equidigital number, since it uses as much as digits as its factorization.

105452310505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21090462106.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 105452310505 in words is "one hundred five billion, four hundred fifty-two million, three hundred ten thousand, five hundred five".