105134443251 has 4 divisors (see below), whose sum is σ = 140179257672. Its totient is φ = 70089628832.

The previous prime is 105134443217. The next prime is 105134443259. The reversal of 105134443251 is 152344431501.

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

It is a cyclic number.

It is not a de Polignac number, because 105134443251 - 2²⁶ = 105067334387 is a prime.

It is a super-2 number, since 2×105134443251² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105134443259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17522407206 + ... + 17522407211.

It is an arithmetic number, because the mean of its divisors is an integer number (35044814418).

Almost surely, 2^105134443251 is an apocalyptic number.

105134443251 is a deficient number, since it is larger than the sum of its proper divisors (35044814421).

105134443251 is an equidigital number, since it uses as much as digits as its factorization.

105134443251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35044814420.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 105134443251 its reverse (152344431501), we get a palindrome (257478874752).

The spelling of 105134443251 in words is "one hundred five billion, one hundred thirty-four million, four hundred forty-three thousand, two hundred fifty-one".