105124521005 has 8 divisors (see below), whose sum is σ = 144170771712. Its totient is φ = 72085385808.

The previous prime is 105124520999. The next prime is 105124521017. The reversal of 105124521005 is 500125421501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105124521005 - 2⁴ = 105124520989 is a prime.

It is a super-2 number, since 2×105124521005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501778837 + ... + 1501778906.

It is an arithmetic number, because the mean of its divisors is an integer number (18021346464).

Almost surely, 2^105124521005 is an apocalyptic number.

It is an amenable number.

105124521005 is a deficient number, since it is larger than the sum of its proper divisors (39046250707).

105124521005 is an equidigital number, since it uses as much as digits as its factorization.

105124521005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003557755.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 105124521005 its reverse (500125421501), we get a palindrome (605249942506).

The spelling of 105124521005 in words is "one hundred five billion, one hundred twenty-four million, five hundred twenty-one thousand, five".