105521524325 has 12 divisors (see below), whose sum is σ = 149539074720. Its totient is φ = 72357616560.

The previous prime is 105521524243. The next prime is 105521524327. The reversal of 105521524325 is 523425125501.

It is a happy number.

It is not a de Polignac number, because 105521524325 - 2¹² = 105521520229 is a prime.

It is a super-2 number, since 2×105521524325² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105521524327) 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 11 ways as a sum of consecutive naturals, for example, 301489895 + ... + 301490244.

It is an arithmetic number, because the mean of its divisors is an integer number (12461589560).

Almost surely, 2^105521524325 is an apocalyptic number.

It is an amenable number.

105521524325 is a deficient number, since it is larger than the sum of its proper divisors (44017550395).

105521524325 is an equidigital number, since it uses as much as digits as its factorization.

105521524325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602980156 (or 602980151 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 105521524325 its reverse (523425125501), we get a palindrome (628946649826).

The spelling of 105521524325 in words is "one hundred five billion, five hundred twenty-one million, five hundred twenty-four thousand, three hundred twenty-five".