105340104521 has 4 divisors (see below), whose sum is σ = 105346249344. Its totient is φ = 105333959700.

The previous prime is 105340104511. The next prime is 105340104533. The reversal of 105340104521 is 125401043501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105340104521 - 2³⁴ = 88160235337 is a prime.

It is a super-2 number, since 2×105340104521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105340104511) 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, 3046625 + ... + 3081006.

It is an arithmetic number, because the mean of its divisors is an integer number (26336562336).

Almost surely, 2^105340104521 is an apocalyptic number.

It is an amenable number.

105340104521 is a deficient number, since it is larger than the sum of its proper divisors (6144823).

105340104521 is an equidigital number, since it uses as much as digits as its factorization.

105340104521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144822.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 105340104521 in words is "one hundred five billion, three hundred forty million, one hundred four thousand, five hundred twenty-one".